Increase the number of TX DMA segments from 32 to 35. It turned

out 32 is not enough to support a full sized TSO packet.
While I'm here fix a long standing bug introduced in r169632 in
bce(4) where it didn't include L2 header length of TSO packet in
the maximum DMA segment size calculation.

In collaboration with:	rmacklem
MFC after:		2 weeks

11 files changed, 12 insertions, 12 deletions

diff --git a/sys/dev/age/if_agevar.h b/sys/dev/age/if_agevar.h
index 6ee5423..1479272 100644
--- a/sys/dev/age/if_agevar.h
+++ b/sys/dev/age/if_agevar.h
@@ -42,7 +42,7 @@
 
 #define	AGE_TSO_MAXSEGSIZE	4096
 #define	AGE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
-#define	AGE_MAXTXSEGS		32
+#define	AGE_MAXTXSEGS		35
 #define	AGE_RX_BUF_ALIGN	8
 #ifndef __NO_STRICT_ALIGNMENT
 #define	AGE_RX_BUF_SIZE		(MCLBYTES - AGE_RX_BUF_ALIGN)	
diff --git a/sys/dev/alc/if_alcvar.h b/sys/dev/alc/if_alcvar.h
index b7c9d38..f2d806f 100644
--- a/sys/dev/alc/if_alcvar.h
+++ b/sys/dev/alc/if_alcvar.h
@@ -42,7 +42,7 @@
 
 #define	ALC_TSO_MAXSEGSIZE	4096
 #define	ALC_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
-#define	ALC_MAXTXSEGS		32
+#define	ALC_MAXTXSEGS		35
 
 #define	ALC_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
 #define	ALC_ADDR_HI(x)		((uint64_t) (x) >> 32)
diff --git a/sys/dev/ale/if_alevar.h b/sys/dev/ale/if_alevar.h
index abf2d2e..8995c69 100644
--- a/sys/dev/ale/if_alevar.h
+++ b/sys/dev/ale/if_alevar.h
@@ -40,7 +40,7 @@
 
 #define	ALE_TSO_MAXSEGSIZE	4096
 #define	ALE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
-#define	ALE_MAXTXSEGS		32
+#define	ALE_MAXTXSEGS		35
 
 #define	ALE_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
 #define	ALE_ADDR_HI(x)		((uint64_t) (x) >> 32)
diff --git a/sys/dev/bce/if_bcereg.h b/sys/dev/bce/if_bcereg.h
index 5b76f8c..88c40a5 100644
--- a/sys/dev/bce/if_bcereg.h
+++ b/sys/dev/bce/if_bcereg.h
@@ -6309,8 +6309,8 @@ struct fw_info {
 
 #define BCE_TX_TIMEOUT		5
 
-#define BCE_MAX_SEGMENTS	32
-#define BCE_TSO_MAX_SIZE	65536
+#define BCE_MAX_SEGMENTS	35
+#define BCE_TSO_MAX_SIZE	(65535 + sizeof(struct ether_vlan_header))
 #define BCE_TSO_MAX_SEG_SIZE	4096
 
 #define BCE_DMA_ALIGN		8
diff --git a/sys/dev/bge/if_bgereg.h b/sys/dev/bge/if_bgereg.h
index 8f4d965..37b0459 100644
--- a/sys/dev/bge/if_bgereg.h
+++ b/sys/dev/bge/if_bgereg.h
@@ -2852,7 +2852,7 @@ struct bge_gib {
  */
 
 #define	BGE_NSEG_JUMBO	4
-#define	BGE_NSEG_NEW	32
+#define	BGE_NSEG_NEW	35
 #define	BGE_TSOSEG_SZ	4096
 
 /* Maximum DMA address for controllers that have 40bit DMA address bug. */
diff --git a/sys/dev/fxp/if_fxpreg.h b/sys/dev/fxp/if_fxpreg.h
index cc764b5..7fd60af 100644
--- a/sys/dev/fxp/if_fxpreg.h
+++ b/sys/dev/fxp/if_fxpreg.h
@@ -250,7 +250,7 @@ struct fxp_cb_ucode {
 /*
  * Number of DMA segments in a TxCB.
  */
-#define FXP_NTXSEG	32
+#define FXP_NTXSEG	35
 
 struct fxp_tbd {
 	uint32_t tb_addr;
diff --git a/sys/dev/jme/if_jmevar.h b/sys/dev/jme/if_jmevar.h
index eb4eddc..1a1e81c 100644
--- a/sys/dev/jme/if_jmevar.h
+++ b/sys/dev/jme/if_jmevar.h
@@ -49,7 +49,7 @@
 #define	JME_RX_RING_ALIGN	16
 #define	JME_TSO_MAXSEGSIZE	4096
 #define	JME_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
-#define	JME_MAXTXSEGS		32
+#define	JME_MAXTXSEGS		35
 #define	JME_RX_BUF_ALIGN	sizeof(uint64_t)
 #define	JME_SSB_ALIGN		16
 
diff --git a/sys/dev/msk/if_mskreg.h b/sys/dev/msk/if_mskreg.h
index 41a6eb7..9c55192 100644
--- a/sys/dev/msk/if_mskreg.h
+++ b/sys/dev/msk/if_mskreg.h
@@ -2338,7 +2338,7 @@ struct msk_stat_desc {
 #endif
 #define	MSK_RX_BUF_ALIGN	8
 #define MSK_JUMBO_RX_RING_CNT	MSK_RX_RING_CNT
-#define MSK_MAXTXSEGS		32
+#define MSK_MAXTXSEGS		35
 #define	MSK_TSO_MAXSGSIZE	4096
 #define	MSK_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
 
diff --git a/sys/dev/nfe/if_nfereg.h b/sys/dev/nfe/if_nfereg.h
index 59c88c7..748c25b 100644
--- a/sys/dev/nfe/if_nfereg.h
+++ b/sys/dev/nfe/if_nfereg.h
@@ -40,7 +40,7 @@
 	(NFE_JUMBO_FRAMELEN - NFE_RX_HEADERS)
 #define	NFE_MIN_FRAMELEN	(ETHER_MIN_LEN - ETHER_CRC_LEN)
 
-#define	NFE_MAX_SCATTER		32
+#define	NFE_MAX_SCATTER		35
 #define	NFE_TSO_MAXSGSIZE	4096
 #define	NFE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
 
diff --git a/sys/dev/sge/if_sgereg.h b/sys/dev/sge/if_sgereg.h
index 81b1568..a72d1a5 100644
--- a/sys/dev/sge/if_sgereg.h
+++ b/sys/dev/sge/if_sgereg.h
@@ -284,7 +284,7 @@ struct sge_desc {
 #define	SGE_RX_RING_CNT		256 /* [8, 1024] */
 #define	SGE_TX_RING_CNT		256 /* [8, 8192] */
 #define	SGE_DESC_ALIGN		16
-#define	SGE_MAXTXSEGS		32
+#define	SGE_MAXTXSEGS		35
 #define	SGE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
 #define	SGE_TSO_MAXSEGSIZE	4096
 #define	SGE_RX_BUF_ALIGN	sizeof(uint64_t)
diff --git a/sys/pci/if_rlreg.h b/sys/pci/if_rlreg.h
index 9edaf5b..b0de60f 100644
--- a/sys/pci/if_rlreg.h
+++ b/sys/pci/if_rlreg.h
@@ -776,7 +776,7 @@ struct rl_stats {
 #define	RL_TX_DESC_CNT		RL_8169_TX_DESC_CNT
 #define	RL_RX_DESC_CNT		RL_8169_RX_DESC_CNT
 #define	RL_RX_JUMBO_DESC_CNT	RL_RX_DESC_CNT
-#define	RL_NTXSEGS		32
+#define	RL_NTXSEGS		35
 
 #define	RL_RING_ALIGN		256
 #define	RL_DUMP_ALIGN		64