From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> Add code to emulate hardware SCTP checksumming support over loop device (as it is done for IPv4/TCP/UDP).
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> --- /** Email created from pull request 674 (lumag:sctp-checksum) ** https://github.com/Linaro/odp/pull/674 ** Patch: https://github.com/Linaro/odp/pull/674.patch ** Base sha: dc28824415ea510e3ef62e47f7640bf4a8420fde ** Merge commit sha: b482f9618a6edb2a2f2491ee5a7af757eab93b24 **/ platform/linux-generic/pktio/loop.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/platform/linux-generic/pktio/loop.c b/platform/linux-generic/pktio/loop.c index faaef3ab5..388a00494 100644 --- a/platform/linux-generic/pktio/loop.c +++ b/platform/linux-generic/pktio/loop.c @@ -235,7 +235,8 @@ static inline void loopback_fix_checksums(odp_packet_t pkt, uint8_t l4_proto; void *l3_hdr; uint32_t l3_len; - odp_bool_t ipv4_chksum_pkt, udp_chksum_pkt, tcp_chksum_pkt; + odp_bool_t ipv4_chksum_pkt, udp_chksum_pkt, tcp_chksum_pkt, + sctp_chksum_pkt; odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt); l3_hdr = odp_packet_l3_ptr(pkt, &l3_len); @@ -259,6 +260,11 @@ static inline void loopback_fix_checksums(odp_packet_t pkt, l4_proto == _ODP_IPPROTO_TCP, pkt_hdr->p.flags.l4_chksum_set, pkt_hdr->p.flags.l4_chksum); + sctp_chksum_pkt = OL_TX_CHKSUM_PKT(pktout_cfg->bit.sctp_chksum, + pktout_capa->bit.sctp_chksum, + l4_proto == _ODP_IPPROTO_SCTP, + pkt_hdr->p.flags.l4_chksum_set, + pkt_hdr->p.flags.l4_chksum); if (ipv4_chksum_pkt) _odp_packet_ipv4_chksum_insert(pkt); @@ -268,6 +274,9 @@ static inline void loopback_fix_checksums(odp_packet_t pkt, if (udp_chksum_pkt) _odp_packet_udp_chksum_insert(pkt); + + if (sctp_chksum_pkt) + _odp_packet_sctp_chksum_insert(pkt); } static int loopback_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, @@ -375,9 +384,11 @@ static int loopback_init_capability(pktio_entry_t *pktio_entry) capa->config.pktin.bit.ipv4_chksum = 1; capa->config.pktin.bit.tcp_chksum = 1; capa->config.pktin.bit.udp_chksum = 1; + capa->config.pktin.bit.sctp_chksum = 1; capa->config.pktout.bit.ipv4_chksum = 1; capa->config.pktout.bit.tcp_chksum = 1; capa->config.pktout.bit.udp_chksum = 1; + capa->config.pktout.bit.sctp_chksum = 1; capa->config.inbound_ipsec = 1; capa->config.outbound_ipsec = 1; @@ -387,6 +398,8 @@ static int loopback_init_capability(pktio_entry_t *pktio_entry) capa->config.pktout.bit.udp_chksum; capa->config.pktout.bit.tcp_chksum_ena = capa->config.pktout.bit.tcp_chksum; + capa->config.pktout.bit.sctp_chksum_ena = + capa->config.pktout.bit.sctp_chksum; return 0; }