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RE: [PATCH v3 44/47] igb: Notify only new interrupts
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From: |
Sriram Yagnaraman |
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Subject: |
RE: [PATCH v3 44/47] igb: Notify only new interrupts |
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Date: |
Tue, 25 Apr 2023 07:56:40 +0000 |
> -----Original Message-----
> From: Akihiko Odaki <akihiko.odaki@daynix.com>
> Sent: Monday, 24 April 2023 13:50
> To: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
> Cc: Jason Wang <jasowang@redhat.com>; Dmitry Fleytman
> <dmitry.fleytman@gmail.com>; Michael S . Tsirkin <mst@redhat.com>; Alex
> Bennée <alex.bennee@linaro.org>; Philippe Mathieu-Daudé
> <philmd@linaro.org>; Thomas Huth <thuth@redhat.com>; Wainer dos Santos
> Moschetta <wainersm@redhat.com>; Beraldo Leal <bleal@redhat.com>;
> Cleber Rosa <crosa@redhat.com>; Laurent Vivier <lvivier@redhat.com>; Paolo
> Bonzini <pbonzini@redhat.com>; qemu-devel@nongnu.org; Tomasz Dzieciol
> <t.dzieciol@partner.samsung.com>
> Subject: Re: [PATCH v3 44/47] igb: Notify only new interrupts
>
> On 2023/04/24 20:41, Sriram Yagnaraman wrote:
> >
> >
> >> -----Original Message-----
> >> From: Akihiko Odaki <akihiko.odaki@daynix.com>
> >> Sent: Sunday, 23 April 2023 06:19
> >> Cc: Sriram Yagnaraman <sriram.yagnaraman@est.tech>; Jason Wang
> >> <jasowang@redhat.com>; Dmitry Fleytman <dmitry.fleytman@gmail.com>;
> >> Michael S . Tsirkin <mst@redhat.com>; Alex Bennée
> >> <alex.bennee@linaro.org>; Philippe Mathieu-Daudé <philmd@linaro.org>;
> >> Thomas Huth <thuth@redhat.com>; Wainer dos Santos Moschetta
> >> <wainersm@redhat.com>; Beraldo Leal <bleal@redhat.com>; Cleber Rosa
> >> <crosa@redhat.com>; Laurent Vivier <lvivier@redhat.com>; Paolo
> >> Bonzini <pbonzini@redhat.com>; qemu-devel@nongnu.org; Tomasz
> Dzieciol
> >> <t.dzieciol@partner.samsung.com>; Akihiko Odaki
> >> <akihiko.odaki@daynix.com>
> >> Subject: [PATCH v3 44/47] igb: Notify only new interrupts
> >>
> >> This follows the corresponding change for e1000e. This fixes:
> >> tests/avocado/netdev-ethtool.py:NetDevEthtool.test_igb
> >>
> >> Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
> >> ---
> >> hw/net/igb_core.c | 201 ++++++++----------
> >> hw/net/trace-events | 11 +-
> >> .../org.centos/stream/8/x86_64/test-avocado | 1 +
> >> tests/avocado/netdev-ethtool.py | 4 -
> >> 4 files changed, 87 insertions(+), 130 deletions(-)
> >>
> >
> > This is a good change, makes a clear distinction on whether we are setting
> EICR or ICR or MBVFICR.
> >
> >> diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index
> >> 1519a90aa6..96b7335b31 100644
> >> --- a/hw/net/igb_core.c
> >> +++ b/hw/net/igb_core.c
> >> @@ -94,10 +94,7 @@ static ssize_t
> >> igb_receive_internal(IGBCore *core, const struct iovec *iov, int iovcnt,
> >> bool has_vnet, bool *external_tx);
> >>
> >> -static inline void
> >> -igb_set_interrupt_cause(IGBCore *core, uint32_t val);
> >> -
> >> -static void igb_update_interrupt_state(IGBCore *core);
> >> +static void igb_raise_interrupts(IGBCore *core, size_t index,
> >> +uint32_t causes);
> >> static void igb_reset(IGBCore *core, bool sw);
> >>
> >> static inline void
> >> @@ -913,8 +910,8 @@ igb_start_xmit(IGBCore *core, const IGB_TxRing
> *txr)
> >> }
> >>
> >> if (eic) {
> >> - core->mac[EICR] |= eic;
> >> - igb_set_interrupt_cause(core, E1000_ICR_TXDW);
> >> + igb_raise_interrupts(core, EICR, eic);
> >> + igb_raise_interrupts(core, ICR, E1000_ICR_TXDW);
> >> }
> >>
> >> net_tx_pkt_reset(txr->tx->tx_pkt, net_tx_pkt_unmap_frag_pci,
> >> d); @@ -
> >> 1686,6 +1683,7 @@ igb_receive_internal(IGBCore *core, const struct
> >> iovec *iov, int iovcnt, {
> >> uint16_t queues = 0;
> >> uint32_t causes = 0;
> >> + uint32_t ecauses = 0;
> >> union {
> >> L2Header l2_header;
> >> uint8_t octets[ETH_ZLEN];
> >> @@ -1788,13 +1786,14 @@ igb_receive_internal(IGBCore *core, const
> >> struct iovec *iov, int iovcnt,
> >> causes |= E1000_ICS_RXDMT0;
> >> }
> >>
> >> - core->mac[EICR] |= igb_rx_wb_eic(core, rxr.i->idx);
> >> + ecauses |= igb_rx_wb_eic(core, rxr.i->idx);
> >>
> >> trace_e1000e_rx_written_to_guest(rxr.i->idx);
> >> }
> >>
> >> trace_e1000e_rx_interrupt_set(causes);
> >> - igb_set_interrupt_cause(core, causes);
> >> + igb_raise_interrupts(core, EICR, ecauses);
> >> + igb_raise_interrupts(core, ICR, causes);
> >>
> >> return orig_size;
> >> }
> >> @@ -1854,7 +1853,7 @@ void igb_core_set_link_status(IGBCore *core)
> >> }
> >>
> >> if (core->mac[STATUS] != old_status) {
> >> - igb_set_interrupt_cause(core, E1000_ICR_LSC);
> >> + igb_raise_interrupts(core, ICR, E1000_ICR_LSC);
> >> }
> >> }
> >>
> >> @@ -1934,13 +1933,6 @@ igb_set_rx_control(IGBCore *core, int index,
> >> uint32_t val)
> >> }
> >> }
> >>
> >> -static inline void
> >> -igb_clear_ims_bits(IGBCore *core, uint32_t bits) -{
> >> - trace_e1000e_irq_clear_ims(bits, core->mac[IMS], core->mac[IMS] &
> >> ~bits);
> >> - core->mac[IMS] &= ~bits;
> >> -}
> >> -
> >> static inline bool
> >> igb_postpone_interrupt(IGBIntrDelayTimer *timer) { @@ -1963,9
> >> +1955,8 @@ igb_eitr_should_postpone(IGBCore *core, int idx)
> >> return igb_postpone_interrupt(&core->eitr[idx]);
> >> }
> >>
> >> -static void igb_send_msix(IGBCore *core)
> >> +static void igb_send_msix(IGBCore *core, uint32_t causes)
> >> {
> >> - uint32_t causes = core->mac[EICR] & core->mac[EIMS];
> >> int vector;
> >>
> >> for (vector = 0; vector < IGB_INTR_NUM; ++vector) { @@
> >> -1988,124
> >> +1979,116 @@ igb_fix_icr_asserted(IGBCore *core)
> >> trace_e1000e_irq_fix_icr_asserted(core->mac[ICR]);
> >> }
> >>
> >> -static void
> >> -igb_update_interrupt_state(IGBCore *core)
> >> +static void igb_raise_interrupts(IGBCore *core, size_t index,
> >> +uint32_t
> >> +causes)
> >> {
> >> - uint32_t icr;
> >> - uint32_t causes;
> >> + uint32_t old_causes = core->mac[ICR] & core->mac[IMS];
> >> + uint32_t old_ecauses = core->mac[EICR] & core->mac[EIMS];
> >> + uint32_t raised_causes;
> >> + uint32_t raised_ecauses;
> >> uint32_t int_alloc;
> >>
> >> - icr = core->mac[ICR] & core->mac[IMS];
> >> + trace_e1000e_irq_set(index << 2,
> >> + core->mac[index], core->mac[index] |
> >> + causes);
> >> +
> >> + core->mac[index] |= causes;
> >>
> >> if (core->mac[GPIE] & E1000_GPIE_MSIX_MODE) {
> >> - if (icr) {
> >> - causes = 0;
> >> - if (icr & E1000_ICR_DRSTA) {
> >> - int_alloc = core->mac[IVAR_MISC] & 0xff;
> >> - if (int_alloc & E1000_IVAR_VALID) {
> >> - causes |= BIT(int_alloc & 0x1f);
> >> - }
> >> + raised_causes = core->mac[ICR] & core->mac[IMS] &
> >> + ~old_causes;
> >> +
> >> + if (raised_causes & E1000_ICR_DRSTA) {
> >> + int_alloc = core->mac[IVAR_MISC] & 0xff;
> >> + if (int_alloc & E1000_IVAR_VALID) {
> >> + core->mac[EICR] |= BIT(int_alloc & 0x1f);
> >> }
> >> - /* Check if other bits (excluding the TCP Timer) are enabled.
> >> */
> >> - if (icr & ~E1000_ICR_DRSTA) {
> >> - int_alloc = (core->mac[IVAR_MISC] >> 8) & 0xff;
> >> - if (int_alloc & E1000_IVAR_VALID) {
> >> - causes |= BIT(int_alloc & 0x1f);
> >> - }
> >> - trace_e1000e_irq_add_msi_other(core->mac[EICR]);
> >> + }
> >> + /* Check if other bits (excluding the TCP Timer) are enabled. */
> >> + if (raised_causes & ~E1000_ICR_DRSTA) {
> >> + int_alloc = (core->mac[IVAR_MISC] >> 8) & 0xff;
> >> + if (int_alloc & E1000_IVAR_VALID) {
> >> + core->mac[EICR] |= BIT(int_alloc & 0x1f);
> >> }
> >> - core->mac[EICR] |= causes;
> >> }
> >>
> >> - if ((core->mac[EICR] & core->mac[EIMS])) {
> >> - igb_send_msix(core);
> >> + raised_ecauses = core->mac[EICR] & core->mac[EIMS] &
> ~old_ecauses;
> >> + if (!raised_ecauses) {
> >> + return;
> >> }
> >> +
> >> + igb_send_msix(core, raised_ecauses);
> >> } else {
> >> igb_fix_icr_asserted(core);
> >>
> >> - if (icr) {
> >> - core->mac[EICR] |= (icr & E1000_ICR_DRSTA) | E1000_EICR_OTHER;
> >> - } else {
> >> - core->mac[EICR] &= ~E1000_EICR_OTHER;
> >> + raised_causes = core->mac[ICR] & core->mac[IMS] & ~old_causes;
> >> + if (!raised_causes) {
> >> + return;
> >> }
> >>
> >> - trace_e1000e_irq_pending_interrupts(core->mac[ICR] & core-
> >>> mac[IMS],
> >> - core->mac[ICR],
> >> core->mac[IMS]);
> >> + core->mac[EICR] |= (raised_causes & E1000_ICR_DRSTA) |
> >> + E1000_EICR_OTHER;
> >>
> >> if (msix_enabled(core->owner)) {
> >> - if (icr) {
> >> - trace_e1000e_irq_msix_notify_vec(0);
> >> - msix_notify(core->owner, 0);
> >> - }
> >> + trace_e1000e_irq_msix_notify_vec(0);
> >> + msix_notify(core->owner, 0);
> >> } else if (msi_enabled(core->owner)) {
> >> - if (icr) {
> >> - msi_notify(core->owner, 0);
> >> - }
> >> + trace_e1000e_irq_msi_notify(raised_causes);
> >> + msi_notify(core->owner, 0);
> >> } else {
> >> - if (icr) {
> >> - igb_raise_legacy_irq(core);
> >> - } else {
> >> - igb_lower_legacy_irq(core);
> >> - }
> >> + igb_raise_legacy_irq(core);
> >> }
> >> }
> >> }
> >>
> >> -static void
> >> -igb_set_interrupt_cause(IGBCore *core, uint32_t val)
> >> +static void igb_lower_interrupts(IGBCore *core, size_t index,
> >> +uint32_t
> >> +causes)
> >> {
> >> - trace_e1000e_irq_set_cause_entry(val, core->mac[ICR]);
> >> + trace_e1000e_irq_clear(index << 2,
> >> + core->mac[index], core->mac[index] &
> >> + ~causes);
> >> +
> >> + core->mac[index] &= ~causes;
> >>
> >> - core->mac[ICR] |= val;
> >> + trace_e1000e_irq_pending_interrupts(core->mac[ICR] & core-
> >mac[IMS],
> >> + core->mac[ICR],
> >> + core->mac[IMS]);
> >>
> >> - trace_e1000e_irq_set_cause_exit(val, core->mac[ICR]);
> >> + if (!(core->mac[ICR] & core->mac[IMS]) &&
> >> + !(core->mac[GPIE] & E1000_GPIE_MSIX_MODE)) {
> >> + core->mac[EICR] &= ~E1000_EICR_OTHER;
> >>
> >> - igb_update_interrupt_state(core);
> >> + if (!msix_enabled(core->owner) && !msi_enabled(core->owner)) {
> >> + igb_lower_legacy_irq(core);
> >> + }
> >> + }
> >> }
> >>
> >> static void igb_set_eics(IGBCore *core, int index, uint32_t val) {
> >> bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
> >> + uint32_t mask = msix ? E1000_EICR_MSIX_MASK :
> >> + E1000_EICR_LEGACY_MASK;
> >>
> >> trace_igb_irq_write_eics(val, msix);
> >> -
> >> - core->mac[EICS] |=
> >> - val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK);
> >> -
> >> - /*
> >> - * TODO: Move to igb_update_interrupt_state if EICS is modified in
> >> other
> >> - * places.
> >> - */
> >> - core->mac[EICR] = core->mac[EICS];
> >> -
> >> - igb_update_interrupt_state(core);
> >> + igb_raise_interrupts(core, EICR, val & mask);
> >> }
> >>
> >> static void igb_set_eims(IGBCore *core, int index, uint32_t val) {
> >> bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
> >> + uint32_t mask = msix ? E1000_EICR_MSIX_MASK :
> >> + E1000_EICR_LEGACY_MASK;
> >>
> >> trace_igb_irq_write_eims(val, msix);
> >> -
> >> - core->mac[EIMS] |=
> >> - val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK);
> >> -
> >> - igb_update_interrupt_state(core);
> >> + igb_raise_interrupts(core, EIMS, val & mask);
> >> }
> >>
> >> static void mailbox_interrupt_to_vf(IGBCore *core, uint16_t vfn) {
> >> uint32_t ent = core->mac[VTIVAR_MISC + vfn];
> >> + uint32_t causes;
> >>
> >> if ((ent & E1000_IVAR_VALID)) {
> >> - core->mac[EICR] |= (ent & 0x3) << (22 - vfn * IGBVF_MSIX_VEC_NUM);
> >> - igb_update_interrupt_state(core);
> >> + causes = (ent & 0x3) << (22 - vfn * IGBVF_MSIX_VEC_NUM);
> >> + igb_raise_interrupts(core, EICR, causes);
> >> }
> >> }
> >>
> >> static void mailbox_interrupt_to_pf(IGBCore *core) {
> >> - igb_set_interrupt_cause(core, E1000_ICR_VMMB);
> >> + igb_raise_interrupts(core, ICR, E1000_ICR_VMMB);
> >
> > Shouldn't we check MBVFIMR before sending the interrupt to PF?
> > Something like this:
>
> Yes, but I'm not pursuing complete feature coverege with this series.
> There are just too many features or flags which software actually don't care
> and I have no test for.
I was just worried about VF/PF reset co-ordination.
But fair point. I see that the linux kernel driver and DPDK PMD always sets
MBVFIMR to 0xFF, so I guess we will not see any difference.
>
> > diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index
> > 96b7335b31..84a91ff815 100644
> > --- a/hw/net/igb_core.c
> > +++ b/hw/net/igb_core.c
> > @@ -2088,7 +2088,10 @@ static void mailbox_interrupt_to_vf(IGBCore
> > *core, uint16_t vfn)
> >
> > static void mailbox_interrupt_to_pf(IGBCore *core)
> > {
> > - igb_raise_interrupts(core, ICR, E1000_ICR_VMMB);
> > + if (((core->mac[MBVFIMR] | (core->mac[MBVFIMR] << 16)) & core-
> >mac[MBVFICR]) ||
> > + (core->mac[MBVFIMR] & core->mac[VFLRE])) {
> > + igb_raise_interrupts(core, ICR, E1000_ICR_VMMB);
> > + }
> > }
> >
> >> }
> >>
> >> static void igb_set_pfmailbox(IGBCore *core, int index, uint32_t
> >> val) @@ -
> >> 2196,13 +2179,12 @@ static void igb_w1c(IGBCore *core, int index,
> >> uint32_t
> >> val) static void igb_set_eimc(IGBCore *core, int index, uint32_t val) {
> >> bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
> >> + uint32_t mask = msix ? E1000_EICR_MSIX_MASK :
> >> + E1000_EICR_LEGACY_MASK;
> >>
> >> - /* Interrupts are disabled via a write to EIMC and reflected in EIMS.
> >> */
> >> - core->mac[EIMS] &=
> >> - ~(val & (msix ? E1000_EICR_MSIX_MASK :
> E1000_EICR_LEGACY_MASK));
> >> + trace_igb_irq_write_eimc(val, msix);
> >>
> >> - trace_igb_irq_write_eimc(val, core->mac[EIMS], msix);
> >> - igb_update_interrupt_state(core);
> >> + /* Interrupts are disabled via a write to EIMC and reflected in EIMS.
> >> */
> >> + igb_lower_interrupts(core, EIMS, val & mask);
> >> }
> >>
> >> static void igb_set_eiac(IGBCore *core, int index, uint32_t val) @@
> >> -2242,11
> >> +2224,10 @@ static void igb_set_eicr(IGBCore *core, int index,
> >> +uint32_t val)
> >> * TODO: In IOV mode, only bit zero of this vector is available for
> >> the PF
> >> * function.
> >> */
> >> - core->mac[EICR] &=
> >> - ~(val & (msix ? E1000_EICR_MSIX_MASK :
> E1000_EICR_LEGACY_MASK));
> >> + uint32_t mask = msix ? E1000_EICR_MSIX_MASK :
> >> + E1000_EICR_LEGACY_MASK;
> >>
> >> trace_igb_irq_write_eicr(val, msix);
> >> - igb_update_interrupt_state(core);
> >> + igb_lower_interrupts(core, EICR, val & mask);
> >> }
> >>
> >> static void igb_set_vtctrl(IGBCore *core, int index, uint32_t val)
> >> @@ -2346,7
> >> +2327,7 @@ igb_autoneg_timer(void *opaque)
> >>
> >> igb_update_flowctl_status(core);
> >> /* signal link status change to the guest */
> >> - igb_set_interrupt_cause(core, E1000_ICR_LSC);
> >> + igb_raise_interrupts(core, ICR, E1000_ICR_LSC);
> >> }
> >> }
> >>
> >> @@ -2419,7 +2400,7 @@ igb_set_mdic(IGBCore *core, int index, uint32_t
> >> val)
> >> core->mac[MDIC] = val | E1000_MDIC_READY;
> >>
> >> if (val & E1000_MDIC_INT_EN) {
> >> - igb_set_interrupt_cause(core, E1000_ICR_MDAC);
> >> + igb_raise_interrupts(core, ICR, E1000_ICR_MDAC);
> >> }
> >> }
> >>
> >> @@ -2527,28 +2508,23 @@ static void
> >> igb_set_ics(IGBCore *core, int index, uint32_t val) {
> >> trace_e1000e_irq_write_ics(val);
> >> - igb_set_interrupt_cause(core, val);
> >> + igb_raise_interrupts(core, ICR, val);
> >> }
> >>
> >> static void
> >> igb_set_imc(IGBCore *core, int index, uint32_t val) {
> >> trace_e1000e_irq_ims_clear_set_imc(val);
> >> - igb_clear_ims_bits(core, val);
> >> - igb_update_interrupt_state(core);
> >> + igb_lower_interrupts(core, IMS, val);
> >> }
> >>
> >> static void
> >> igb_set_ims(IGBCore *core, int index, uint32_t val) {
> >> - uint32_t valid_val = val & 0x77D4FBFD;
> >> -
> >> - trace_e1000e_irq_set_ims(val, core->mac[IMS], core->mac[IMS] |
> >> valid_val);
> >> - core->mac[IMS] |= valid_val;
> >> - igb_update_interrupt_state(core);
> >> + igb_raise_interrupts(core, IMS, val & 0x77D4FBFD);
> >> }
> >>
> >> -static void igb_commit_icr(IGBCore *core)
> >> +static void igb_nsicr(IGBCore *core)
> >> {
> >> /*
> >> * If GPIE.NSICR = 0, then the clear of IMS will occur only if
> >> at @@ -2557,19
> >> +2533,14 @@ static void igb_commit_icr(IGBCore *core)
> >> */
> >> if ((core->mac[GPIE] & E1000_GPIE_NSICR) ||
> >> (core->mac[IMS] && (core->mac[ICR] & E1000_ICR_INT_ASSERTED))) {
> >> - igb_clear_ims_bits(core, core->mac[IAM]);
> >> + igb_lower_interrupts(core, IMS, core->mac[IAM]);
> >> }
> >> -
> >> - igb_update_interrupt_state(core);
> >> }
> >>
> >> static void igb_set_icr(IGBCore *core, int index, uint32_t val) {
> >> - uint32_t icr = core->mac[ICR] & ~val;
> >> -
> >> - trace_igb_irq_icr_write(val, core->mac[ICR], icr);
> >> - core->mac[ICR] = icr;
> >> - igb_commit_icr(core);
> >> + igb_nsicr(core);
> >> + igb_lower_interrupts(core, ICR, val);
> >> }
> >>
> >> static uint32_t
> >> @@ -2620,21 +2591,19 @@ static uint32_t
> >> igb_mac_icr_read(IGBCore *core, int index) {
> >> uint32_t ret = core->mac[ICR];
> >> - trace_e1000e_irq_icr_read_entry(ret);
> >>
> >> if (core->mac[GPIE] & E1000_GPIE_NSICR) {
> >> trace_igb_irq_icr_clear_gpie_nsicr();
> >> - core->mac[ICR] = 0;
> >> + igb_lower_interrupts(core, ICR, 0xffffffff);
> >> } else if (core->mac[IMS] == 0) {
> >> trace_e1000e_irq_icr_clear_zero_ims();
> >> - core->mac[ICR] = 0;
> >> + igb_lower_interrupts(core, ICR, 0xffffffff);
> >> } else if (!msix_enabled(core->owner)) {
> >> trace_e1000e_irq_icr_clear_nonmsix_icr_read();
> >> - core->mac[ICR] = 0;
> >> + igb_lower_interrupts(core, ICR, 0xffffffff);
> >> }
> >>
> >> - trace_e1000e_irq_icr_read_exit(core->mac[ICR]);
> >> - igb_commit_icr(core);
> >> + igb_nsicr(core);
> >> return ret;
> >> }
> >>
> >> diff --git a/hw/net/trace-events b/hw/net/trace-events index
> >> d171dc8179..e4a98b2c7d 100644
> >> --- a/hw/net/trace-events
> >> +++ b/hw/net/trace-events
> >> @@ -207,21 +207,14 @@ e1000e_irq_msix_notify_vec(uint32_t vector)
> >> "MSI-X notify vector 0x%x"
> >> e1000e_irq_postponed_by_xitr(uint32_t reg) "Interrupt postponed by
> >> [E]ITR register 0x%x"
> >> e1000e_irq_clear(uint32_t offset, uint32_t old, uint32_t new)
> >> "Clearing interrupt register 0x%x: 0x%x --> 0x%x"
> >> e1000e_irq_set(uint32_t offset, uint32_t old, uint32_t new)
> >> "Setting interrupt register 0x%x: 0x%x --> 0x%x"
> >> -e1000e_irq_clear_ims(uint32_t bits, uint32_t old_ims, uint32_t
> >> new_ims) "Clearing IMS bits 0x%x: 0x%x --> 0x%x"
> >> -e1000e_irq_set_ims(uint32_t bits, uint32_t old_ims, uint32_t
> >> new_ims) "Setting IMS bits 0x%x: 0x%x --> 0x%x"
> >> e1000e_irq_fix_icr_asserted(uint32_t new_val) "ICR_ASSERTED bit fixed:
> >> 0x%x"
> >> e1000e_irq_add_msi_other(uint32_t new_val) "ICR_OTHER bit added:
> 0x%x"
> >> e1000e_irq_pending_interrupts(uint32_t pending, uint32_t icr,
> >> uint32_t ims) "ICR PENDING: 0x%x (ICR: 0x%x, IMS: 0x%x)"
> >> -e1000e_irq_set_cause_entry(uint32_t val, uint32_t icr) "Going to set
> >> IRQ cause 0x%x, ICR: 0x%x"
> >> -e1000e_irq_set_cause_exit(uint32_t val, uint32_t icr) "Set IRQ cause
> >> 0x%x,
> >> ICR: 0x%x"
> >> -e1000e_irq_icr_write(uint32_t bits, uint32_t old_icr, uint32_t
> >> new_icr) "Clearing ICR bits 0x%x: 0x%x --> 0x%x"
> >> e1000e_irq_write_ics(uint32_t val) "Adding ICR bits 0x%x"
> >> e1000e_irq_icr_process_iame(void) "Clearing IMS bits due to IAME"
> >> e1000e_irq_read_ics(uint32_t ics) "Current ICS: 0x%x"
> >> e1000e_irq_read_ims(uint32_t ims) "Current IMS: 0x%x"
> >> e1000e_irq_icr_clear_nonmsix_icr_read(void) "Clearing ICR on read
> >> due to non MSI-X int"
> >> -e1000e_irq_icr_read_entry(uint32_t icr) "Starting ICR read. Current ICR:
> >> 0x%x"
> >> -e1000e_irq_icr_read_exit(uint32_t icr) "Ending ICR read. Current ICR:
> 0x%x"
> >> e1000e_irq_icr_clear_zero_ims(void) "Clearing ICR on read due to zero
> IMS"
> >> e1000e_irq_icr_clear_iame(void) "Clearing ICR on read due to IAME"
> >> e1000e_irq_iam_clear_eiame(uint32_t iam, uint32_t cause) "Clearing
> >> IMS due to EIAME, IAM: 0x%X, cause: 0x%X"
> >> @@ -237,7 +230,6 @@ e1000e_irq_tidv_fpd_not_running(void) "FPD
> >> written while TIDV was not running"
> >> e1000e_irq_eitr_set(uint32_t eitr_num, uint32_t val) "EITR[%u] = %u"
> >> e1000e_irq_itr_set(uint32_t val) "ITR = %u"
> >> e1000e_irq_fire_all_timers(uint32_t val) "Firing all
> >> delay/throttling timers on all interrupts enable (0x%X written to IMS)"
> >> -e1000e_irq_adding_delayed_causes(uint32_t val, uint32_t icr)
> >> "Merging delayed causes 0x%X to ICR 0x%X"
> >> e1000e_irq_msix_pending_clearing(uint32_t cause, uint32_t int_cfg,
> >> uint32_t
> >> vec) "Clearing MSI-X pending bit for cause 0x%x, IVAR config 0x%x, vector
> %u"
> >>
> >> e1000e_wrn_msix_vec_wrong(uint32_t cause, uint32_t cfg) "Invalid
> >> configuration for cause 0x%x: 0x%x"
> >> @@ -290,12 +282,11 @@ igb_rx_desc_buff_write(uint64_t addr, uint16_t
> >> offset, const void* source, uint3 igb_rx_metadata_rss(uint32_t rss)
> >> "RSS
> >> data: 0x%X"
> >>
> >> igb_irq_icr_clear_gpie_nsicr(void) "Clearing ICR on read due to
> >> GPIE.NSICR enabled"
> >> -igb_irq_icr_write(uint32_t bits, uint32_t old_icr, uint32_t new_icr)
> >> "Clearing ICR bits 0x%x: 0x%x --> 0x%x"
> >> igb_irq_set_iam(uint32_t icr) "Update IAM: 0x%x"
> >> igb_irq_read_iam(uint32_t icr) "Current IAM: 0x%x"
> >> igb_irq_write_eics(uint32_t val, bool msix) "Update EICS: 0x%x MSI-X: %d"
> >> igb_irq_write_eims(uint32_t val, bool msix) "Update EIMS: 0x%x MSI-X:
> %d"
> >> -igb_irq_write_eimc(uint32_t val, uint32_t eims, bool msix) "Update EIMC:
> >> 0x%x EIMS: 0x%x MSI-X: %d"
> >> +igb_irq_write_eimc(uint32_t val, bool msix) "Update EIMC: 0x%x MSI-X:
> %d"
> >> igb_irq_write_eiac(uint32_t val) "Update EIAC: 0x%x"
> >> igb_irq_write_eiam(uint32_t val, bool msix) "Update EIAM: 0x%x MSI-X:
> %d"
> >> igb_irq_write_eicr(uint32_t val, bool msix) "Update EICR: 0x%x MSI-X: %d"
> >> diff --git a/scripts/ci/org.centos/stream/8/x86_64/test-avocado
> >> b/scripts/ci/org.centos/stream/8/x86_64/test-avocado
> >> index a1aa601ee3..e0443fc8ae 100755
> >> --- a/scripts/ci/org.centos/stream/8/x86_64/test-avocado
> >> +++ b/scripts/ci/org.centos/stream/8/x86_64/test-avocado
> >> @@ -30,6 +30,7 @@ make get-vm-images
> >> tests/avocado/cpu_queries.py:QueryCPUModelExpansion.test \
> >> tests/avocado/empty_cpu_model.py:EmptyCPUModel.test \
> >> tests/avocado/hotplug_cpu.py:HotPlugCPU.test \
> >> + tests/avocado/netdev-ethtool.py:NetDevEthtool.test_igb \
> >> tests/avocado/netdev-ethtool.py:NetDevEthtool.test_igb_nomsi \
> >> tests/avocado/info_usernet.py:InfoUsernet.test_hostfwd \
> >> tests/avocado/intel_iommu.py:IntelIOMMU.test_intel_iommu \ diff
> >> --git a/tests/avocado/netdev-ethtool.py
> >> b/tests/avocado/netdev-ethtool.py index
> >> 6da800f62b..5f33288f81 100644
> >> --- a/tests/avocado/netdev-ethtool.py
> >> +++ b/tests/avocado/netdev-ethtool.py
> >> @@ -67,10 +67,6 @@ def common_test_code(self, netdev,
> >> extra_args=None):
> >> # no need to gracefully shutdown, just finish
> >> self.vm.kill()
> >>
> >> - # Skip testing for MSI for now. Allegedly it was fixed by:
> >> - # 28e96556ba (igb: Allocate MSI-X vector when testing)
> >> - # but I'm seeing oops in the kernel
> >> - @skip("Kernel bug with MSI enabled")
> >> def test_igb(self):
> >> """
> >> :avocado: tags=device:igb
> >> --
> >> 2.40.0
> >
- [PATCH v3 34/47] igb: Implement MSI-X single vector mode, (continued)
- [PATCH v3 34/47] igb: Implement MSI-X single vector mode, Akihiko Odaki, 2023/04/23
- [PATCH v3 32/47] hw/net/net_rx_pkt: Enforce alignment for eth_header, Akihiko Odaki, 2023/04/23
- [PATCH v3 38/47] igb: Strip the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/23
- [PATCH v3 37/47] igb: Implement Tx SCTP CSO, Akihiko Odaki, 2023/04/23
- [PATCH v3 39/47] igb: Filter with the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/23
- [PATCH v3 41/47] igb: Implement Rx PTP2 timestamp, Akihiko Odaki, 2023/04/23
- [PATCH v3 44/47] igb: Notify only new interrupts, Akihiko Odaki, 2023/04/23
- [PATCH v3 45/47] vmxnet3: Do not depend on PC, Akihiko Odaki, 2023/04/23
- [PATCH v3 42/47] igb: Implement Tx timestamp, Akihiko Odaki, 2023/04/23
- [PATCH v3 43/47] e1000e: Notify only new interrupts, Akihiko Odaki, 2023/04/23
- [PATCH v3 46/47] MAINTAINERS: Add a reviewer for network packet abstractions, Akihiko Odaki, 2023/04/23
- [PATCH v3 47/47] docs/system/devices/igb: Note igb is tested for DPDK, Akihiko Odaki, 2023/04/23
- [PATCH v3 40/47] igb: Implement igb-specific oversize check, Akihiko Odaki, 2023/04/23