From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id CE1B4A05D3 for ; Thu, 23 May 2019 14:12:38 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 747A01B945; Thu, 23 May 2019 14:12:37 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 6ECF24C99 for ; Thu, 23 May 2019 14:12:35 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4NCCSjl021094; Thu, 23 May 2019 05:12:34 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0818; bh=SQdDM7Za7WTCZi9ZsCOclDJACHna67sTy/XHlwgSmuE=; b=nx4Z3sfWD3nTriddW1YwFFE95Ec22EO/ORlGA4qxxWJeGy/13fZdatPeDM8u5K8ORSMH uPZt8xVPXOZg9NElv4TNVFO9/h9FVK6ilr4+dgYx88XuX9ilRnVYbt2NZ+B/qHujqNtD 4RNsXNwzWC5NQSG1oVq/z6GqXMuFp3MlqyovDk5pQ0ZXvXT2aqH4sVDcwQTsYpa/ka1z MFBSGZ0LSXrXnwR5MIv1//86/5HrUgx66Grb+GXENHcWzLZ6Py5164NWBNz1sO8mM561 TP28gPuyENDbP1TAyiK0HXR8RyAj8MldKOGN7ntblHDLolf5zPXDtukw+cKzxiIKauqB aw== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 2smnwk1kc8-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 23 May 2019 05:12:34 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 23 May 2019 05:11:34 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Thu, 23 May 2019 05:11:34 -0700 Received: from luke.marvell.com (unknown [10.95.130.150]) by maili.marvell.com (Postfix) with ESMTP id CE4FA3F7040; Thu, 23 May 2019 05:11:32 -0700 (PDT) From: Lukasz Bartosik To: CC: , , Lukasz Bartosik Date: Thu, 23 May 2019 14:11:11 +0200 Message-ID: <1558613471-24414-1-git-send-email-lbartosik@marvell.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1556636155-26299-1-git-send-email-lbartosik@marvell.com> References: <1556636155-26299-1-git-send-email-lbartosik@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-05-23_10:, , signatures=0 Subject: [dpdk-dev] [PATCH v2] ipsec: include high order bytes of esn in pkt len X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When esn is used then high-order 32 bits are included in ICV calculation however are not transmitted. Update packet length to be consistent with auth data offset and length before crypto operation. High-order 32 bits of esn will be removed from packet length in crypto post processing. Signed-off-by: Lukasz Bartosik --- lib/librte_ipsec/esp_inb.c | 59 +++++++++++++++++++++++++++++++++++---------- lib/librte_ipsec/esp_outb.c | 19 +++++++++------ lib/librte_ipsec/sa.c | 4 +-- lib/librte_ipsec/sa.h | 8 ++++++ 4 files changed, 67 insertions(+), 23 deletions(-) diff --git a/lib/librte_ipsec/esp_inb.c b/lib/librte_ipsec/esp_inb.c index 4e0e12a..23e4945 100644 --- a/lib/librte_ipsec/esp_inb.c +++ b/lib/librte_ipsec/esp_inb.c @@ -16,7 +16,8 @@ #include "pad.h" typedef uint16_t (*esp_inb_process_t)(const struct rte_ipsec_sa *sa, - struct rte_mbuf *mb[], uint32_t sqn[], uint32_t dr[], uint16_t num); + struct rte_mbuf *mb[], uint32_t sqn[], uint32_t dr[], uint16_t num, + uint8_t sqh_len); /* * helper function to fill crypto_sym op for cipher+auth algorithms. @@ -181,6 +182,15 @@ inb_pkt_prepare(const struct rte_ipsec_sa *sa, const struct replay_sqn *rsn, icv->va = rte_pktmbuf_mtod_offset(ml, void *, icv_ofs); icv->pa = rte_pktmbuf_iova_offset(ml, icv_ofs); + /* + * if esn is used then high-order 32 bits are also used in ICV + * calculation but are not transmitted, update packet length + * to be consistent with auth data length and offset, this will + * be subtracted from packet length in post crypto processing + */ + mb->pkt_len += sa->sqh_len; + ml->data_len += sa->sqh_len; + inb_pkt_xprepare(sa, sqn, icv); return plen; } @@ -373,14 +383,18 @@ tun_process_step3(struct rte_mbuf *mb, uint64_t txof_msk, uint64_t txof_val) */ static inline uint16_t tun_process(const struct rte_ipsec_sa *sa, struct rte_mbuf *mb[], - uint32_t sqn[], uint32_t dr[], uint16_t num) + uint32_t sqn[], uint32_t dr[], uint16_t num, uint8_t sqh_len) { uint32_t adj, i, k, tl; uint32_t hl[num]; struct esp_tail espt[num]; struct rte_mbuf *ml[num]; - const uint32_t tlen = sa->icv_len + sizeof(espt[0]); + /* + * remove icv, esp trailer and high-order + * 32 bits of esn from packet length + */ + const uint32_t tlen = sa->icv_len + sizeof(espt[0]) + sqh_len; const uint32_t cofs = sa->ctp.cipher.offset; /* @@ -420,7 +434,7 @@ tun_process(const struct rte_ipsec_sa *sa, struct rte_mbuf *mb[], */ static inline uint16_t trs_process(const struct rte_ipsec_sa *sa, struct rte_mbuf *mb[], - uint32_t sqn[], uint32_t dr[], uint16_t num) + uint32_t sqn[], uint32_t dr[], uint16_t num, uint8_t sqh_len) { char *np; uint32_t i, k, l2, tl; @@ -428,7 +442,11 @@ trs_process(const struct rte_ipsec_sa *sa, struct rte_mbuf *mb[], struct esp_tail espt[num]; struct rte_mbuf *ml[num]; - const uint32_t tlen = sa->icv_len + sizeof(espt[0]); + /* + * remove icv, esp trailer and high-order + * 32 bits of esn from packet length + */ + const uint32_t tlen = sa->icv_len + sizeof(espt[0]) + sqh_len; const uint32_t cofs = sa->ctp.cipher.offset; /* @@ -496,18 +514,15 @@ esp_inb_rsn_update(struct rte_ipsec_sa *sa, const uint32_t sqn[], * process group of ESP inbound packets. */ static inline uint16_t -esp_inb_pkt_process(const struct rte_ipsec_session *ss, - struct rte_mbuf *mb[], uint16_t num, esp_inb_process_t process) +esp_inb_pkt_process(struct rte_ipsec_sa *sa, struct rte_mbuf *mb[], + uint16_t num, uint8_t sqh_len, esp_inb_process_t process) { uint32_t k, n; - struct rte_ipsec_sa *sa; uint32_t sqn[num]; uint32_t dr[num]; - sa = ss->sa; - /* process packets, extract seq numbers */ - k = process(sa, mb, sqn, dr, num); + k = process(sa, mb, sqn, dr, num, sqh_len); /* handle unprocessed mbufs */ if (k != num && k != 0) @@ -533,7 +548,16 @@ uint16_t esp_inb_tun_pkt_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[], uint16_t num) { - return esp_inb_pkt_process(ss, mb, num, tun_process); + struct rte_ipsec_sa *sa = ss->sa; + + return esp_inb_pkt_process(sa, mb, num, sa->sqh_len, tun_process); +} + +uint16_t +inline_inb_tun_pkt_process(const struct rte_ipsec_session *ss, + struct rte_mbuf *mb[], uint16_t num) +{ + return esp_inb_pkt_process(ss->sa, mb, num, 0, tun_process); } /* @@ -543,5 +567,14 @@ uint16_t esp_inb_trs_pkt_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[], uint16_t num) { - return esp_inb_pkt_process(ss, mb, num, trs_process); + struct rte_ipsec_sa *sa = ss->sa; + + return esp_inb_pkt_process(sa, mb, num, sa->sqh_len, trs_process); +} + +uint16_t +inline_inb_trs_pkt_process(const struct rte_ipsec_session *ss, + struct rte_mbuf *mb[], uint16_t num) +{ + return esp_inb_pkt_process(ss->sa, mb, num, 0, trs_process); } diff --git a/lib/librte_ipsec/esp_outb.c b/lib/librte_ipsec/esp_outb.c index c798bc4..ed5974b 100644 --- a/lib/librte_ipsec/esp_outb.c +++ b/lib/librte_ipsec/esp_outb.c @@ -126,11 +126,11 @@ outb_tun_pkt_prepare(struct rte_ipsec_sa *sa, rte_be64_t sqc, /* pad length + esp tail */ pdlen = clen - plen; - tlen = pdlen + sa->icv_len; + tlen = pdlen + sa->icv_len + sa->sqh_len; /* do append and prepend */ ml = rte_pktmbuf_lastseg(mb); - if (tlen + sa->sqh_len + sa->aad_len > rte_pktmbuf_tailroom(ml)) + if (tlen + sa->aad_len > rte_pktmbuf_tailroom(ml)) return -ENOSPC; /* prepend header */ @@ -152,8 +152,8 @@ outb_tun_pkt_prepare(struct rte_ipsec_sa *sa, rte_be64_t sqc, rte_memcpy(ph, sa->hdr, sa->hdr_len); /* update original and new ip header fields */ - update_tun_l3hdr(sa, ph + sa->hdr_l3_off, mb->pkt_len, sa->hdr_l3_off, - sqn_low16(sqc)); + update_tun_l3hdr(sa, ph + sa->hdr_l3_off, mb->pkt_len - sa->sqh_len, + sa->hdr_l3_off, sqn_low16(sqc)); /* update spi, seqn and iv */ esph = (struct esp_hdr *)(ph + sa->hdr_len); @@ -292,11 +292,11 @@ outb_trs_pkt_prepare(struct rte_ipsec_sa *sa, rte_be64_t sqc, /* pad length + esp tail */ pdlen = clen - plen; - tlen = pdlen + sa->icv_len; + tlen = pdlen + sa->icv_len + sa->sqh_len; /* do append and insert */ ml = rte_pktmbuf_lastseg(mb); - if (tlen + sa->sqh_len + sa->aad_len > rte_pktmbuf_tailroom(ml)) + if (tlen + sa->aad_len > rte_pktmbuf_tailroom(ml)) return -ENOSPC; /* prepend space for ESP header */ @@ -314,8 +314,8 @@ outb_trs_pkt_prepare(struct rte_ipsec_sa *sa, rte_be64_t sqc, insert_esph(ph, ph + hlen, uhlen); /* update ip header fields */ - np = update_trs_l3hdr(sa, ph + l2len, mb->pkt_len, l2len, l3len, - IPPROTO_ESP); + np = update_trs_l3hdr(sa, ph + l2len, mb->pkt_len - sa->sqh_len, l2len, + l3len, IPPROTO_ESP); /* update spi, seqn and iv */ esph = (struct esp_hdr *)(ph + uhlen); @@ -425,6 +425,9 @@ esp_outb_sqh_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[], for (i = 0; i != num; i++) { if ((mb[i]->ol_flags & PKT_RX_SEC_OFFLOAD_FAILED) == 0) { ml = rte_pktmbuf_lastseg(mb[i]); + /* remove high-order 32 bits of esn from packet len */ + mb[i]->pkt_len -= sa->sqh_len; + ml->data_len -= sa->sqh_len; icv = rte_pktmbuf_mtod_offset(ml, void *, ml->data_len - icv_len); remove_sqh(icv, icv_len); diff --git a/lib/librte_ipsec/sa.c b/lib/librte_ipsec/sa.c index 846e317..ff01358 100644 --- a/lib/librte_ipsec/sa.c +++ b/lib/librte_ipsec/sa.c @@ -610,10 +610,10 @@ inline_crypto_pkt_func_select(const struct rte_ipsec_sa *sa, switch (sa->type & msk) { case (RTE_IPSEC_SATP_DIR_IB | RTE_IPSEC_SATP_MODE_TUNLV4): case (RTE_IPSEC_SATP_DIR_IB | RTE_IPSEC_SATP_MODE_TUNLV6): - pf->process = esp_inb_tun_pkt_process; + pf->process = inline_inb_tun_pkt_process; break; case (RTE_IPSEC_SATP_DIR_IB | RTE_IPSEC_SATP_MODE_TRANS): - pf->process = esp_inb_trs_pkt_process; + pf->process = inline_inb_trs_pkt_process; break; case (RTE_IPSEC_SATP_DIR_OB | RTE_IPSEC_SATP_MODE_TUNLV4): case (RTE_IPSEC_SATP_DIR_OB | RTE_IPSEC_SATP_MODE_TUNLV6): diff --git a/lib/librte_ipsec/sa.h b/lib/librte_ipsec/sa.h index ffb5fb4..20c0a65 100644 --- a/lib/librte_ipsec/sa.h +++ b/lib/librte_ipsec/sa.h @@ -143,9 +143,17 @@ esp_inb_tun_pkt_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[], uint16_t num); uint16_t +inline_inb_tun_pkt_process(const struct rte_ipsec_session *ss, + struct rte_mbuf *mb[], uint16_t num); + +uint16_t esp_inb_trs_pkt_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[], uint16_t num); +uint16_t +inline_inb_trs_pkt_process(const struct rte_ipsec_session *ss, + struct rte_mbuf *mb[], uint16_t num); + /* outbound processing */ uint16_t -- 2.7.4