X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_ipsec%2Fipsec_sqn.h;h=0c2f76a7ac567d1ea08241bca75d9beb88deaf09;hb=7ba166841c68053484e1a520da3fd2186be33830;hp=7de10bef5a53acc7100ad220728850830a8441d0;hpb=c0308cd895542bb9957971f1be081ee2d64c1316;p=dpdk.git diff --git a/lib/librte_ipsec/ipsec_sqn.h b/lib/librte_ipsec/ipsec_sqn.h index 7de10bef5a..0c2f76a7ac 100644 --- a/lib/librte_ipsec/ipsec_sqn.h +++ b/lib/librte_ipsec/ipsec_sqn.h @@ -56,21 +56,6 @@ sqn_low16(rte_be64_t sqn) #endif } -/* - * for given size, calculate required number of buckets. - */ -static uint32_t -replay_num_bucket(uint32_t wsz) -{ - uint32_t nb; - - nb = rte_align32pow2(RTE_ALIGN_MUL_CEIL(wsz, WINDOW_BUCKET_SIZE) / - WINDOW_BUCKET_SIZE); - nb = RTE_MAX(nb, (uint32_t)WINDOW_BUCKET_MIN); - - return nb; -} - /* * According to RFC4303 A2.1, determine the high-order bit of sequence number. * use 32bit arithmetic inside, return uint64_t. @@ -167,10 +152,6 @@ esn_inb_update_sqn(struct replay_sqn *rsn, const struct rte_ipsec_sa *sa, { uint32_t bit, bucket, last_bucket, new_bucket, diff, i; - /* replay not enabled */ - if (sa->replay.win_sz == 0) - return 0; - /* handle ESN */ if (IS_ESN(sa)) sqn = reconstruct_esn(rsn->sqn, sqn, sa->replay.win_sz); @@ -222,21 +203,6 @@ esn_inb_update_sqn(struct replay_sqn *rsn, const struct rte_ipsec_sa *sa, * between writer and readers. */ -/** - * Based on number of buckets calculated required size for the - * structure that holds replay window and sequence number (RSN) information. - */ -static size_t -rsn_size(uint32_t nb_bucket) -{ - size_t sz; - struct replay_sqn *rsn; - - sz = sizeof(*rsn) + nb_bucket * sizeof(rsn->window[0]); - sz = RTE_ALIGN_CEIL(sz, RTE_CACHE_LINE_SIZE); - return sz; -} - /** * Copy replay window and SQN. */ @@ -333,7 +299,7 @@ rsn_update_finish(struct rte_ipsec_sa *sa, struct replay_sqn *rsn) n = sa->sqn.inb.wridx; RTE_ASSERT(n != sa->sqn.inb.rdidx); - RTE_ASSERT(rsn - sa->sqn.inb.rsn == n); + RTE_ASSERT(rsn == sa->sqn.inb.rsn[n]); rte_rwlock_write_unlock(&rsn->rwl); sa->sqn.inb.rdidx = n;