Aside from some typos in the commit message ("staticatically" and "swith"), this looks good to me. Thanks Lorenzo!

Acked-by: Mark Michelson <[email protected]>

On 9/17/24 06:20, Lorenzo Bianconi wrote:
Do not report error in ipam_insert_ip routine for addresses
staticatically assigned to ovn logical {swith,router} ports since they
have precedence on addressed dynamically assigned by ipam.

Reported-at: https://issues.redhat.com/browse/FDP-752
Signed-off-by: Lorenzo Bianconi <[email protected]>
---
  northd/ipam.c      |  6 +++---
  northd/ipam.h      |  2 +-
  northd/northd.c    | 13 +++++++------
  northd/test-ipam.c |  2 +-
  4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/northd/ipam.c b/northd/ipam.c
index 4448a7607..04fa357a5 100644
--- a/northd/ipam.c
+++ b/northd/ipam.c
@@ -48,7 +48,7 @@ destroy_ipam_info(struct ipam_info *info)
  }
bool
-ipam_insert_ip(struct ipam_info *info, uint32_t ip)
+ipam_insert_ip(struct ipam_info *info, uint32_t ip, bool dynamic)
  {
      if (!info->allocated_ipv4s) {
          return true;
@@ -56,8 +56,8 @@ ipam_insert_ip(struct ipam_info *info, uint32_t ip)
if (ip >= info->start_ipv4 &&
          ip < (info->start_ipv4 + info->total_ipv4s)) {
-        if (bitmap_is_set(info->allocated_ipv4s,
-                          ip - info->start_ipv4)) {
+        if (dynamic && bitmap_is_set(info->allocated_ipv4s,
+                                     ip - info->start_ipv4)) {
              static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
              VLOG_WARN_RL(&rl, "%s: Duplicate IP set: " IP_FMT,
                           info->id, IP_ARGS(htonl(ip)));
diff --git a/northd/ipam.h b/northd/ipam.h
index 447412769..6240f9ab7 100644
--- a/northd/ipam.h
+++ b/northd/ipam.h
@@ -22,7 +22,7 @@ void init_ipam_info(struct ipam_info *info, const struct smap 
*config,
void destroy_ipam_info(struct ipam_info *info); -bool ipam_insert_ip(struct ipam_info *info, uint32_t ip);
+bool ipam_insert_ip(struct ipam_info *info, uint32_t ip, bool dynamic);
uint32_t ipam_get_unused_ip(struct ipam_info *info); diff --git a/northd/northd.c b/northd/northd.c
index a267cd5f8..95c3f0e07 100644
--- a/northd/northd.c
+++ b/northd/northd.c
@@ -1464,13 +1464,13 @@ ovn_port_get_peer(const struct hmap *lr_ports, struct 
ovn_port *op)
  }
static void
-ipam_insert_ip_for_datapath(struct ovn_datapath *od, uint32_t ip)
+ipam_insert_ip_for_datapath(struct ovn_datapath *od, uint32_t ip, bool dynamic)
  {
      if (!od) {
          return;
      }
- ipam_insert_ip(&od->ipam_info, ip);
+    ipam_insert_ip(&od->ipam_info, ip, dynamic);
  }
static void
@@ -1487,7 +1487,7 @@ ipam_insert_lsp_addresses(struct ovn_datapath *od,
for (size_t j = 0; j < laddrs->n_ipv4_addrs; j++) {
          uint32_t ip = ntohl(laddrs->ipv4_addrs[j].addr);
-        ipam_insert_ip_for_datapath(od, ip);
+        ipam_insert_ip_for_datapath(od, ip, false);
      }
  }
@@ -1519,7 +1519,7 @@ ipam_add_port_addresses(struct ovn_datapath *od, struct ovn_port *op)
               * about a duplicate IP address.
               */
              if (ip != op->peer->od->ipam_info.start_ipv4) {
-                ipam_insert_ip_for_datapath(op->peer->od, ip);
+                ipam_insert_ip_for_datapath(op->peer->od, ip, false);
              }
          }
      }
@@ -1744,7 +1744,8 @@ update_unchanged_dynamic_addresses(struct 
dynamic_address_update *update)
      }
      if (update->ipv4 == NONE && update->current_addresses.n_ipv4_addrs) {
          ipam_insert_ip_for_datapath(update->op->od,
-                       ntohl(update->current_addresses.ipv4_addrs[0].addr));
+                       ntohl(update->current_addresses.ipv4_addrs[0].addr),
+                       true);
      }
  }
@@ -1872,7 +1873,7 @@ update_dynamic_addresses(struct dynamic_address_update *update)
      ipam_insert_mac(&mac, true);
if (ip4) {
-        ipam_insert_ip_for_datapath(update->od, ntohl(ip4));
+        ipam_insert_ip_for_datapath(update->od, ntohl(ip4), true);
          ds_put_format(&new_addr, " "IP_FMT, IP_ARGS(ip4));
      }
      if (!IN6_ARE_ADDR_EQUAL(&ip6, &in6addr_any)) {
diff --git a/northd/test-ipam.c b/northd/test-ipam.c
index c449599e3..3b6ad1891 100644
--- a/northd/test-ipam.c
+++ b/northd/test-ipam.c
@@ -44,7 +44,7 @@ test_ipam_get_unused_ip(struct ovs_cmdl_context *ctx)
          uint32_t next_ip = ipam_get_unused_ip(&info);
          ds_put_format(&output, IP_FMT "\n", IP_ARGS(htonl(next_ip)));
          if (next_ip) {
-            ovs_assert(ipam_insert_ip(&info, next_ip));
+            ovs_assert(ipam_insert_ip(&info, next_ip, true));
          }
      }

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