rsl: fix the unaligned memory access
the armv5 can do 32bit/16bit reads only from the aligned address use tlv.h macro to copy data to local variable Signed-off-by: Nicolas J. Bouliane <nicolas.bouliane@nutaq.com>
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@ -1093,7 +1093,6 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, int inc_pt2,
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{
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struct msgb *msg;
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uint8_t chan_nr = gsm_lchan2chan_nr(lchan);
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uint32_t *att_ip;
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const char *name;
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struct in_addr ia;
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@ -1120,8 +1119,7 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, int inc_pt2,
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/* locally bound IP */
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msgb_v_put(msg, RSL_IE_IPAC_LOCAL_IP);
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att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t));
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*att_ip = htonl(lchan->abis_ip.bound_ip);
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msgb_put_u32(msg, lchan->abis_ip.bound_ip);
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/* locally bound port */
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msgb_tv16_put(msg, RSL_IE_IPAC_LOCAL_PORT,
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@ -1203,11 +1201,9 @@ static int tx_ipac_XXcx_nack(struct gsm_lchan *lchan, uint8_t cause,
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return -ENOMEM;
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if (inc_ipport) {
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uint32_t *att_ip;
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/* remote IP */
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msgb_v_put(msg, RSL_IE_IPAC_REMOTE_IP);
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att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t));
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*att_ip = htonl(lchan->abis_ip.connect_ip);
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msgb_put_u32(msg, lchan->abis_ip.connect_ip);
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/* remote port */
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msgb_tv16_put(msg, RSL_IE_IPAC_REMOTE_PORT,
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@ -1252,8 +1248,8 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
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struct gsm_lchan *lchan = msg->lchan;
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struct gsm_bts_role_bts *btsb = bts_role_bts(msg->lchan->ts->trx->bts);
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const uint8_t *payload_type, *speech_mode, *payload_type2;
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const uint32_t *connect_ip;
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const uint16_t *connect_port;
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uint32_t connect_ip = 0;
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uint16_t connect_port = 0;
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int rc, inc_ip_port = 0, port;
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char *name;
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@ -1271,8 +1267,16 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
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speech_mode = TLVP_VAL(&tp, RSL_IE_IPAC_SPEECH_MODE);
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payload_type = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD);
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payload_type2 = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD2);
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connect_ip = (uint32_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_IP);
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connect_port = (uint16_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_PORT);
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if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_IP))
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connect_ip = tlvp_val32_unal(&tp, RSL_IE_IPAC_REMOTE_IP);
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else
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LOGP(DRSL, LOGL_NOTICE, "CRCX does not specify a remote IP\n");
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if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_PORT))
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connect_port = tlvp_val16_unal(&tp, RSL_IE_IPAC_REMOTE_PORT);
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else
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LOGP(DRSL, LOGL_NOTICE, "CRCX does not specify a remote port\n");
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if (dch->c.msg_type == RSL_MT_IPAC_CRCX && connect_ip && connect_port)
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inc_ip_port = 1;
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@ -1354,14 +1358,14 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
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/* Special rule: If connect_ip == 0.0.0.0, use RSL IP
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* address */
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if (*connect_ip == 0) {
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if (connect_ip == 0) {
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struct ipabis_link *link =
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lchan->ts->trx->rsl_link;
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ia.s_addr = htonl(link->ip);
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} else
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ia.s_addr = *connect_ip;
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ia.s_addr = connect_ip;
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rc = osmo_rtp_socket_connect(lchan->abis_ip.rtp_socket,
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inet_ntoa(ia), ntohs(*connect_port));
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inet_ntoa(ia), ntohs(connect_port));
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if (rc < 0) {
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LOGP(DRSL, LOGL_ERROR,
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"%s Failed to connect RTP/RTCP sockets\n",
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@ -1374,7 +1378,7 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
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}
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/* save IP address and port number */
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lchan->abis_ip.connect_ip = ntohl(ia.s_addr);
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lchan->abis_ip.connect_port = ntohs(*connect_port);
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lchan->abis_ip.connect_port = ntohs(connect_port);
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} else {
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/* FIXME: discard all codec frames */
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