git: b676b5e5e07f - main - cxgbe(4): Skip non-existent blocks in the interrupt handler

From: Navdeep Parhar <np_at_FreeBSD.org>
Date: Thu, 13 Nov 2025 22:54:05 UTC
The branch main has been updated by np:

URL: https://cgit.FreeBSD.org/src/commit/?id=b676b5e5e07fde53e6dafd0fa6c360ca56ac7154

commit b676b5e5e07fde53e6dafd0fa6c360ca56ac7154
Author:     Navdeep Parhar <np@FreeBSD.org>
AuthorDate: 2025-11-13 21:14:01 +0000
Commit:     Navdeep Parhar <np@FreeBSD.org>
CommitDate: 2025-11-13 22:49:16 +0000

    cxgbe(4): Skip non-existent blocks in the interrupt handler
    
    Fixes:  7b80c8b7d8d9 cxgbe(4): Expanded interrupt handling for T7
    MFC after:      1 week
    Sponsored by:   Chelsio Communications
---
 sys/dev/cxgbe/common/t4_hw.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/sys/dev/cxgbe/common/t4_hw.c b/sys/dev/cxgbe/common/t4_hw.c
index 0f25c73b99d4..65292486cbc8 100644
--- a/sys/dev/cxgbe/common/t4_hw.c
+++ b/sys/dev/cxgbe/common/t4_hw.c
@@ -6134,8 +6134,11 @@ static bool mem_intr_handler(struct adapter *adap, int idx, int flags)
 			fatal |= t4_handle_intr(adap, &ii, 0, flags);
 		}
 		break;
-	case MEM_MC1: i = 1;
-		       /* fall through */
+	case MEM_MC1:
+		if (is_t4(adap) || is_t6(adap))
+			return (false);
+		i = 1;
+	       /* fall through */
 	case MEM_MC0:
 		snprintf(rname, sizeof(rname), "MC%u_INT_CAUSE", i);
 		if (is_t4(adap)) {
@@ -6387,6 +6390,9 @@ static bool mac_intr_handler(struct adapter *adap, int port, int flags)
 	struct intr_info ii;
 	bool fatal = false;
 
+	if (port > 1 && is_t6(adap))
+		return (false);
+
 	if (is_t4(adap)) {
 		snprintf(name, sizeof(name), "XGMAC_PORT%u_INT_CAUSE", port);
 		ii.name = &name[0];