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[PATCH 33/40] igb: Implement Tx SCTP CSO
From: |
Akihiko Odaki |
Subject: |
[PATCH 33/40] igb: Implement Tx SCTP CSO |
Date: |
Fri, 14 Apr 2023 20:37:30 +0900 |
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
hw/net/igb_core.c | 12 +++++++-----
hw/net/net_tx_pkt.c | 18 ++++++++++++++++++
hw/net/net_tx_pkt.h | 8 ++++++++
3 files changed, 33 insertions(+), 5 deletions(-)
diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index 0e1b681613..955db1b1dc 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -432,8 +432,9 @@ igb_tx_insert_vlan(IGBCore *core, uint16_t qn, struct
igb_tx *tx,
static bool
igb_setup_tx_offloads(IGBCore *core, struct igb_tx *tx)
{
+ uint32_t idx = (tx->first_olinfo_status >> 4) & 1;
+
if (tx->first_cmd_type_len & E1000_ADVTXD_DCMD_TSE) {
- uint32_t idx = (tx->first_olinfo_status >> 4) & 1;
uint32_t mss = tx->ctx[idx].mss_l4len_idx >> E1000_ADVTXD_MSS_SHIFT;
if (!net_tx_pkt_build_vheader(tx->tx_pkt, true, true, mss)) {
return false;
@@ -444,10 +445,11 @@ igb_setup_tx_offloads(IGBCore *core, struct igb_tx *tx)
return true;
}
- if (tx->first_olinfo_status & E1000_ADVTXD_POTS_TXSM) {
- if (!net_tx_pkt_build_vheader(tx->tx_pkt, false, true, 0)) {
- return false;
- }
+ if ((tx->first_olinfo_status & E1000_ADVTXD_POTS_TXSM) &&
+ !((tx->ctx[idx].type_tucmd_mlhl & E1000_ADVTXD_TUCMD_L4T_SCTP) ?
+ net_tx_pkt_update_sctp_checksum(tx->tx_pkt) :
+ net_tx_pkt_build_vheader(tx->tx_pkt, false, true, 0))) {
+ return false;
}
if (tx->first_olinfo_status & E1000_ADVTXD_POTS_IXSM) {
diff --git a/hw/net/net_tx_pkt.c b/hw/net/net_tx_pkt.c
index af8f77a3f0..2e5f58b3c9 100644
--- a/hw/net/net_tx_pkt.c
+++ b/hw/net/net_tx_pkt.c
@@ -16,6 +16,7 @@
*/
#include "qemu/osdep.h"
+#include "qemu/crc32c.h"
#include "net/eth.h"
#include "net/checksum.h"
#include "net/tap.h"
@@ -135,6 +136,23 @@ void net_tx_pkt_update_ip_checksums(struct NetTxPkt *pkt)
pkt->virt_hdr.csum_offset, &csum, sizeof(csum));
}
+bool net_tx_pkt_update_sctp_checksum(struct NetTxPkt *pkt)
+{
+ uint32_t csum = 0;
+ struct iovec *pl_start_frag = pkt->vec + NET_TX_PKT_PL_START_FRAG;
+
+ if (iov_from_buf(pl_start_frag, pkt->payload_frags, 8, &csum,
sizeof(csum)) < sizeof(csum)) {
+ return false;
+ }
+
+ csum = cpu_to_le32(iov_crc32c(0xffffffff, pl_start_frag,
pkt->payload_frags));
+ if (iov_from_buf(pl_start_frag, pkt->payload_frags, 8, &csum,
sizeof(csum)) < sizeof(csum)) {
+ return false;
+ }
+
+ return true;
+}
+
static void net_tx_pkt_calculate_hdr_len(struct NetTxPkt *pkt)
{
pkt->hdr_len = pkt->vec[NET_TX_PKT_L2HDR_FRAG].iov_len +
diff --git a/hw/net/net_tx_pkt.h b/hw/net/net_tx_pkt.h
index f5cd44da6f..fc00d7941d 100644
--- a/hw/net/net_tx_pkt.h
+++ b/hw/net/net_tx_pkt.h
@@ -116,6 +116,14 @@ void net_tx_pkt_update_ip_checksums(struct NetTxPkt *pkt);
*/
void net_tx_pkt_update_ip_hdr_checksum(struct NetTxPkt *pkt);
+/**
+ * Calculate the SCTP checksum.
+ *
+ * @pkt: packet
+ *
+ */
+bool net_tx_pkt_update_sctp_checksum(struct NetTxPkt *pkt);
+
/**
* get length of all populated data.
*
--
2.40.0
- [PATCH 29/40] igb: Implement MSI-X single vector mode, (continued)
- [PATCH 29/40] igb: Implement MSI-X single vector mode, Akihiko Odaki, 2023/04/14
- [PATCH 30/40] igb: Implement igb-specific oversize check, Akihiko Odaki, 2023/04/14
- [PATCH 31/40] igb: Use UDP for RSS hash, Akihiko Odaki, 2023/04/14
- [PATCH 38/40] vmxnet3: Do not depend on PC, Akihiko Odaki, 2023/04/14
- [PATCH 37/40] igb: Implement Tx timestamp, Akihiko Odaki, 2023/04/14
- [PATCH 33/40] igb: Implement Tx SCTP CSO,
Akihiko Odaki <=
- [PATCH 39/40] MAINTAINERS: Add a reviewer for network packet abstractions, Akihiko Odaki, 2023/04/14
- [PATCH 34/40] igb: Strip the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/14
- [PATCH 40/40] docs/system/devices/igb: Note igb is tested for DPDK, Akihiko Odaki, 2023/04/14
- [PATCH 36/40] igb: Implement Rx PTP2 timestamp, Akihiko Odaki, 2023/04/14
- [PATCH 32/40] igb: Implement Rx SCTP CSO, Akihiko Odaki, 2023/04/14
- [PATCH 35/40] igb: Filter with the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/14