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Lines Matching defs:mss

79 	/* Minimum IP TTL and maximum TCP MSS. */
81 	np->n_maxmss = dnvlist_get_number(params, "max-mss", 0);
148 	uint16_t cksum, mss, maxmss = np->n_maxmss;
166 	 * TCP Maximum Segment Size (MSS) "clamping".  Only if SYN packet.
167 	 * Fetch MSS and check whether rewrite to lower is needed.
174 	mss = 0;
175 	if (!npf_fetch_tcpopts(npc, &mss, &wscale)) {
178 	if (ntohs(mss) <= maxmss) {
185 	 * Store new MSS, calculate TCP checksum and update it. The MSS may
199 			cksum = npf_fixup16_cksum(th->th_sum, mss, maxmss);