diff options
Diffstat (limited to 'src/plugins/srv6-mobile')
| -rw-r--r-- | src/plugins/srv6-mobile/node.c | 72 |
1 files changed, 39 insertions, 33 deletions
diff --git a/src/plugins/srv6-mobile/node.c b/src/plugins/srv6-mobile/node.c index 6d3240e77c4..d79ad707232 100644 --- a/src/plugins/srv6-mobile/node.c +++ b/src/plugins/srv6-mobile/node.c @@ -768,7 +768,7 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, u32 offset, shift, index; ip6srv_combo_header_t *ip6srv; gtpu_pdu_session_t *sess = NULL; - u16 ie_size = 0; + int ie_size = 0; u16 tlv_siz = 0; u8 ie_buf[GTPU_IE_MAX_SIZ]; @@ -901,16 +901,18 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, u16 payload_len; payload_len = clib_net_to_host_u16 (hdr->gtpu.length); - if (payload_len != 0 - && payload_len > hdr_len - sizeof (ip4_gtpu_header_t)) + if (payload_len != 0) { - u8 *ies; - - ies = (u8 *) ((u8 *) hdr + hdr_len); ie_size = payload_len - (hdr_len - sizeof (ip4_gtpu_header_t)); - clib_memcpy_fast (ie_buf, ies, ie_size); - hdr_len += ie_size; + if (ie_size > 0) + { + u8 *ies; + + ies = (u8 *) ((u8 *) hdr + hdr_len); + clib_memcpy_fast (ie_buf, ies, ie_size); + hdr_len += ie_size; + } } } @@ -1163,15 +1165,15 @@ VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm, tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz)); tlv->type = SRH_TLV_USER_PLANE_CONTAINER; - tlv->length = tlv_siz - sizeof (ip6_sr_tlv_t); + tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t)); clib_memset (tlv->value, 0, tlv->length); sub_tlv = (user_plane_sub_tlv_t *) tlv->value; sub_tlv->type = USER_PLANE_SUB_TLV_IE; - sub_tlv->length = ie_size; + sub_tlv->length = (u8) ie_size; clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size); - ip6srv->sr.length += tlv_siz / 8; + ip6srv->sr.length += (u8) (tlv_siz / 8); } ip6srv->ip.payload_length = @@ -1609,7 +1611,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, u32 hdrlen; ip6_header_t *encap = NULL; gtpu_pdu_session_t *sess = NULL; - u16 ie_size = 0; + int ie_size = 0; u16 tlv_siz = 0; u8 ie_buf[GTPU_IE_MAX_SIZ]; @@ -1760,16 +1762,18 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, u16 payload_len; payload_len = clib_net_to_host_u16 (hdr0->gtpu.length); - if (payload_len != 0 - && payload_len > hdrlen - sizeof (ip6_gtpu_header_t)) + if (payload_len != 0) { - u8 *ies; - - ies = (u8 *) ((u8 *) hdr0 + hdrlen); ie_size = payload_len - (hdrlen - sizeof (ip6_gtpu_header_t)); - clib_memcpy_fast (ie_buf, ies, ie_size); - hdrlen += ie_size; + if (ie_size > 0) + { + u8 *ies; + + ies = (u8 *) ((u8 *) hdr0 + hdrlen); + clib_memcpy_fast (ie_buf, ies, ie_size); + hdrlen += ie_size; + } } } @@ -2011,15 +2015,15 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm, tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz)); tlv->type = SRH_TLV_USER_PLANE_CONTAINER; - tlv->length = tlv_siz - sizeof (ip6_sr_tlv_t); + tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t)); clib_memset (tlv->value, 0, tlv->length); sub_tlv = (user_plane_sub_tlv_t *) tlv->value; sub_tlv->type = USER_PLANE_SUB_TLV_IE; - sub_tlv->length = ie_size; + sub_tlv->length = (u8) ie_size; clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size); - ip6srv->sr.length += tlv_siz / 8; + ip6srv->sr.length += (u8) (tlv_siz / 8); } ip6srv->ip.payload_length = @@ -2112,7 +2116,7 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, u32 hdrlen; ip6_header_t *encap = NULL; gtpu_pdu_session_t *sess; - u16 ie_size = 0; + int ie_size = 0; u16 tlv_siz = 0; u8 ie_buf[GTPU_IE_MAX_SIZ]; @@ -2262,16 +2266,18 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, u16 payload_len; payload_len = clib_net_to_host_u16 (hdr0->gtpu.length); - if (payload_len != 0 - && payload_len > hdrlen - sizeof (ip6_gtpu_header_t)) + if (payload_len != 0) { - u8 *ies; - - ies = (u8 *) ((u8 *) hdr0 + hdrlen); ie_size = payload_len - (hdrlen - sizeof (ip6_gtpu_header_t)); - clib_memcpy_fast (ie_buf, ies, ie_size); - hdrlen += ie_size; + if (ie_size > 0) + { + u8 *ies; + + ies = (u8 *) ((u8 *) hdr0 + hdrlen); + clib_memcpy_fast (ie_buf, ies, ie_size); + hdrlen += ie_size; + } } } @@ -2417,14 +2423,14 @@ VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm, tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz)); tlv->type = SRH_TLV_USER_PLANE_CONTAINER; - tlv->length = tlv_siz - sizeof (ip6_sr_tlv_t); + tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t)); clib_memset (tlv->value, 0, tlv->length); sub_tlv = (user_plane_sub_tlv_t *) tlv->value; - sub_tlv->length = ie_size; + sub_tlv->length = (u8) (ie_size); clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size); - ip6srv->sr.length += tlv_siz / 8; + ip6srv->sr.length += (u8) (tlv_siz / 8); } ip6srv->ip.payload_length = |