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Code Issues Releases Activity

cxgbe(4): Deal with compressed error vectors.

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MFC after:	3 days
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2016-12-15 02:05:29 +00:00
parent a1e9a3bba3
commit 1de8c69de7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310100
4 changed files with 11 additions and 6 deletions
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2
sys/dev/cxgbe/common/common.h
View File

@ -227,7 +227,7 @@ struct tp_params {
uint32_t vlan_pri_map;
uint32_t ingress_config;
uint32_t rx_pkt_encap;
__be16 err_vec_mask;
int8_t fcoe_shift;
int8_t port_shift;

11
sys/dev/cxgbe/common/t4_hw.c
View File

@ -8020,12 +8020,17 @@ int t4_init_tp_params(struct adapter *adap)
read_filter_mode_and_ingress_config(adap);
/*
* For T6, cache the adapter's compressed error vector
* and passing outer header info for encapsulated packets.
* Cache a mask of the bits that represent the error vector portion of
* rx_pkt.err_vec. T6+ can use a compressed error vector to make room
* for information about outer encapsulation (GENEVE/VXLAN/NVGRE).
*/
tpp->err_vec_mask = htobe16(0xffff);
if (chip_id(adap) > CHELSIO_T5) {
v = t4_read_reg(adap, A_TP_OUT_CONFIG);
tpp->rx_pkt_encap = (v & F_CRXPKTENC) ? 1 : 0;
if (v & F_CRXPKTENC) {
tpp->err_vec_mask =
htobe16(V_T6_COMPR_RXERR_VEC(M_T6_COMPR_RXERR_VEC));
}
}
return 0;

2
sys/dev/cxgbe/common/t4_msg.h
View File

@ -2014,7 +2014,7 @@ struct cpl_rx_pkt {
#define S_T6_COMPR_RXERR_VEC 0
#define M_T6_COMPR_RXERR_VEC 0x3F
#define V_T6_COMPR_RXERR_VEC(x) ((x) << S_T6_COMPR_RXERR_LEN)
#define V_T6_COMPR_RXERR_VEC(x) ((x) << S_T6_COMPR_RXERR_VEC)
#define G_T6_COMPR_RXERR_VEC(x) \
(((x) >> S_T6_COMPR_RXERR_VEC) & M_T6_COMPR_RXERR_VEC)

2
sys/dev/cxgbe/t4_sge.c
View File

@ -1808,7 +1808,7 @@ t4_eth_rx(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m0)
M_HASHTYPE_SET(m0, sw_hashtype[rss->hash_type][rss->ipv6]);
m0->m_pkthdr.flowid = be32toh(rss->hash_val);
if (cpl->csum_calc && !cpl->err_vec) {
if (cpl->csum_calc && !(cpl->err_vec & sc->params.tp.err_vec_mask)) {
if (ifp->if_capenable & IFCAP_RXCSUM &&
cpl->l2info & htobe32(F_RXF_IP)) {
m0->m_pkthdr.csum_flags = (CSUM_IP_CHECKED |