From owner-svn-src-all@FreeBSD.ORG Tue Jan 13 01:40:13 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1D3EDE44; Tue, 13 Jan 2015 01:40:13 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 08C89DD3; Tue, 13 Jan 2015 01:40:13 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t0D1eCor065290; Tue, 13 Jan 2015 01:40:12 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t0D1eC1l065289; Tue, 13 Jan 2015 01:40:12 GMT (envelope-from np@FreeBSD.org) Message-Id: <201501130140.t0D1eC1l065289@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Tue, 13 Jan 2015 01:40:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r277102 - head/sys/dev/cxgbe/iw_cxgbe X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jan 2015 01:40:13 -0000 Author: np Date: Tue Jan 13 01:40:12 2015 New Revision: 277102 URL: https://svnweb.freebsd.org/changeset/base/277102 Log: cxgbe/iw_cxgbe: allow any size during the initial MPA exchange. MFC after: 1 month Modified: head/sys/dev/cxgbe/iw_cxgbe/cm.c Modified: head/sys/dev/cxgbe/iw_cxgbe/cm.c ============================================================================== --- head/sys/dev/cxgbe/iw_cxgbe/cm.c Tue Jan 13 00:20:35 2015 (r277101) +++ head/sys/dev/cxgbe/iw_cxgbe/cm.c Tue Jan 13 01:40:12 2015 (r277102) @@ -955,18 +955,14 @@ send_mpa_req(struct c4iw_ep *ep) if (mpa_rev_to_use == 2) mpalen += sizeof(struct mpa_v2_conn_params); - if (mpalen > MHLEN) - CXGBE_UNIMPLEMENTED(__func__); - - m = m_gethdr(M_NOWAIT, MT_DATA); - if (m == NULL) { + mpa = malloc(mpalen, M_CXGBE, M_NOWAIT); + if (mpa == NULL) { +failed: connect_reply_upcall(ep, -ENOMEM); return; } - mpa = mtod(m, struct mpa_message *); - m->m_len = mpalen; - m->m_pkthdr.len = mpalen; + memset(mpa, 0, mpalen); memcpy(mpa->key, MPA_KEY_REQ, sizeof(mpa->key)); mpa->flags = (crc_enabled ? MPA_CRC : 0) | (markers_enabled ? MPA_MARKERS : 0) | @@ -1013,11 +1009,18 @@ send_mpa_req(struct c4iw_ep *ep) CTR2(KTR_IW_CXGBE, "%s:smr7 %p", __func__, ep); } - err = sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, ep->com.thread); - if (err) { - connect_reply_upcall(ep, -ENOMEM); - return; + m = m_getm(NULL, mpalen, M_NOWAIT, MT_DATA); + if (m == NULL) { + free(mpa, M_CXGBE); + goto failed; } + m_copyback(m, 0, mpalen, (void *)mpa); + free(mpa, M_CXGBE); + + err = sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, + ep->com.thread); + if (err) + goto failed; START_EP_TIMER(ep); state_set(&ep->com, MPA_REQ_SENT); @@ -1044,22 +1047,11 @@ static int send_mpa_reject(struct c4iw_e ep->mpa_attr.version, mpalen); } - if (mpalen > MHLEN) - CXGBE_UNIMPLEMENTED(__func__); - - m = m_gethdr(M_NOWAIT, MT_DATA); - if (m == NULL) { - - printf("%s - cannot alloc mbuf!\n", __func__); - CTR2(KTR_IW_CXGBE, "%s:smrej2 %p", __func__, ep); + mpa = malloc(mpalen, M_CXGBE, M_NOWAIT); + if (mpa == NULL) return (-ENOMEM); - } - - mpa = mtod(m, struct mpa_message *); - m->m_len = mpalen; - m->m_pkthdr.len = mpalen; - memset(mpa, 0, sizeof(*mpa)); + memset(mpa, 0, mpalen); memcpy(mpa->key, MPA_KEY_REP, sizeof(mpa->key)); mpa->flags = MPA_REJECT; mpa->revision = mpa_rev; @@ -1091,7 +1083,15 @@ static int send_mpa_reject(struct c4iw_e if (plen) memcpy(mpa->private_data, pdata, plen); - err = sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, ep->com.thread); + m = m_getm(NULL, mpalen, M_NOWAIT, MT_DATA); + if (m == NULL) { + free(mpa, M_CXGBE); + return (-ENOMEM); + } + m_copyback(m, 0, mpalen, (void *)mpa); + free(mpa, M_CXGBE); + + err = -sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, ep->com.thread); if (!err) ep->snd_seq += mpalen; CTR4(KTR_IW_CXGBE, "%s:smrejE %p %u %d", __func__, ep, ep->hwtid, err); @@ -1117,21 +1117,10 @@ static int send_mpa_reply(struct c4iw_ep mpalen += sizeof(struct mpa_v2_conn_params); } - if (mpalen > MHLEN) - CXGBE_UNIMPLEMENTED(__func__); - - m = m_gethdr(M_NOWAIT, MT_DATA); - if (m == NULL) { - - CTR2(KTR_IW_CXGBE, "%s:smrep2 %p", __func__, ep); - printf("%s - cannot alloc mbuf!\n", __func__); + mpa = malloc(mpalen, M_CXGBE, M_NOWAIT); + if (mpa == NULL) return (-ENOMEM); - } - - mpa = mtod(m, struct mpa_message *); - m->m_len = mpalen; - m->m_pkthdr.len = mpalen; memset(mpa, 0, sizeof(*mpa)); memcpy(mpa->key, MPA_KEY_REP, sizeof(mpa->key)); mpa->flags = (ep->mpa_attr.crc_enabled ? MPA_CRC : 0) | @@ -1182,9 +1171,18 @@ static int send_mpa_reply(struct c4iw_ep if (plen) memcpy(mpa->private_data, pdata, plen); + m = m_getm(NULL, mpalen, M_NOWAIT, MT_DATA); + if (m == NULL) { + free(mpa, M_CXGBE); + return (-ENOMEM); + } + m_copyback(m, 0, mpalen, (void *)mpa); + free(mpa, M_CXGBE); + + state_set(&ep->com, MPA_REP_SENT); ep->snd_seq += mpalen; - err = sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, + err = -sosend(ep->com.so, NULL, NULL, m, NULL, MSG_DONTWAIT, ep->com.thread); CTR3(KTR_IW_CXGBE, "%s:smrepE %p %d", __func__, ep, err); return err;