From: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
Date: Mon, 13 Mar 2023 01:07:16 +0000 (+0100)
Subject: isisd: Add Node MSD Sub-TLV (SRv6) to the LSPs
X-Git-Tag: base_9.1~88^2~135
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=00a05b79b69f6e85402f668f3d4642405fba0998;p=matthieu%2Ffrr.git

isisd: Add Node MSD Sub-TLV (SRv6) to the LSPs

Add Node MSD Sub-TLV containing the SRv6 MSDs to the Router Capabilities
TLV in the LSPs generated with the `lsp_build()` function.

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
---

diff --git a/isisd/isis_lsp.c b/isisd/isis_lsp.c
index f667f30e48..07c1404a0f 100644
--- a/isisd/isis_lsp.c
+++ b/isisd/isis_lsp.c
@@ -1213,10 +1213,22 @@ static void lsp_build(struct isis_lsp *lsp, struct isis_area *area)
 
 		/* Add SRv6 Sub-TLVs if SRv6 is enabled */
 		if (area->srv6db.config.enabled) {
+			struct isis_srv6_db *srv6db = &area->srv6db;
+
 			rcap->srv6_cap.is_srv6_capable = true;
 
 			/* SRv6 flags */
 			rcap->srv6_cap.flags = 0;
+
+			/* And finally MSDs */
+			rcap->srv6_msd.max_seg_left_msd =
+				srv6db->config.max_seg_left_msd;
+			rcap->srv6_msd.max_end_pop_msd =
+				srv6db->config.max_end_pop_msd;
+			rcap->srv6_msd.max_h_encaps_msd =
+				srv6db->config.max_h_encaps_msd;
+			rcap->srv6_msd.max_end_d_msd =
+				srv6db->config.max_end_d_msd;
 		}
 	}