diff options
Diffstat (limited to 'hw/net/net_tx_pkt.c')
| -rw-r--r-- | hw/net/net_tx_pkt.c | 18 |
1 files changed, 18 insertions, 0 deletions
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 + |