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igb: Implement Tx SCTP CSO

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Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-05-23 11:43:28 +09:00 • committed by Jason Wang
parent 907209e311
commit f199b13bc1
3 changed files with 33 additions and 5 deletions
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18
hw/net/net_tx_pkt.c
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@ -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 +