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D44258.diff
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diff --git a/sys/dev/ixgbe/if_ix.c b/sys/dev/ixgbe/if_ix.c
--- a/sys/dev/ixgbe/if_ix.c
+++ b/sys/dev/ixgbe/if_ix.c
@@ -204,6 +204,7 @@
static int ixgbe_sysctl_eee_state(SYSCTL_HANDLER_ARGS);
static int ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS);
static int ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS);
+static int ixgbe_sysctl_tso_tcp_flags_mask(SYSCTL_HANDLER_ARGS);
/* Deferred interrupt tasklets */
static void ixgbe_handle_msf(void *);
@@ -2756,6 +2757,24 @@
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
ixgbe_sysctl_print_fw_version, "A", "Prints FW/NVM Versions");
+ SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO,
+ "tso_tcp_flags_mask_first_segment",
+ CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
+ sc, 0, ixgbe_sysctl_tso_tcp_flags_mask, "IU",
+ "TSO TCP flags mask for first segment");
+
+ SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO,
+ "tso_tcp_flags_mask_middle_segment",
+ CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
+ sc, 1, ixgbe_sysctl_tso_tcp_flags_mask, "IU",
+ "TSO TCP flags mask for middle segment");
+
+ SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO,
+ "tso_tcp_flags_mask_last_segment",
+ CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
+ sc, 2, ixgbe_sysctl_tso_tcp_flags_mask, "IU",
+ "TSO TCP flags mask for last segment");
+
#ifdef IXGBE_DEBUG
/* testing sysctls (for all devices) */
SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "power_state",
@@ -4742,6 +4761,43 @@
return (error);
} /* ixgbe_sysctl_eee_state */
+static int
+ixgbe_sysctl_tso_tcp_flags_mask(SYSCTL_HANDLER_ARGS)
+{
+ struct ixgbe_softc *sc;
+ u32 reg, val, shift;
+ int error, mask;
+
+ sc = oidp->oid_arg1;
+ switch (oidp->oid_arg2) {
+ case 0:
+ reg = IXGBE_DTXTCPFLGL;
+ shift = 0;
+ break;
+ case 1:
+ reg = IXGBE_DTXTCPFLGL;
+ shift = 16;
+ break;
+ case 2:
+ reg = IXGBE_DTXTCPFLGH;
+ shift = 0;
+ break;
+ default:
+ return (EINVAL);
+ break;
+ }
+ val = IXGBE_READ_REG(&sc->hw, reg);
+ mask = (val >> shift) & 0xfff;
+ error = sysctl_handle_int(oidp, &mask, 0, req);
+ if (error != 0 || req->newptr == NULL)
+ return (error);
+ if (mask < 0 || mask > 0xfff)
+ return (EINVAL);
+ val = (val & ~(0xfff << shift)) | (mask << shift);
+ IXGBE_WRITE_REG(&sc->hw, reg, val);
+ return (0);
+}
+
/************************************************************************
* ixgbe_init_device_features
************************************************************************/
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D44258: ixgbe: Make masks for TCP flag handling during TSO sysctl'able
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