cxgb3 - Firmware update

Update FW to 4.1.
Proceed to subsequent HW tuning to improve RDMA perfs..

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

3 files changed, 28 insertions, 20 deletions

diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 020859c855d7..02f8731ffb02 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -1160,6 +1160,8 @@
 
 #define A_TP_MOD_CHANNEL_WEIGHT 0x434
 
+#define A_TP_MOD_RATE_LIMIT 0x438
+
 #define A_TP_PIO_ADDR 0x440
 
 #define A_TP_PIO_DATA 0x444
@@ -1214,6 +1216,8 @@
 #define G_TXDROPCNTCH0RCVD(x) (((x) >> S_TXDROPCNTCH0RCVD) & \
                                M_TXDROPCNTCH0RCVD)
 
+#define A_TP_PROXY_FLOW_CNTL 0x4b0
+
 #define A_ULPRX_CTL 0x500
 
 #define S_ROUND_ROBIN    4
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index fb485d0a43d8..9e3591d7706f 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -921,7 +921,7 @@ static int t3_flash_erase_sectors(struct adapter *adapter, int start, int end)
 /*
  *      t3_load_fw - download firmware
  *      @adapter: the adapter
- *      @fw_data: the firrware image to write
+ *      @fw_data: the firmware image to write
  *      @size: image size
  *
  *      Write the supplied firmware image to the card's serial flash.
@@ -2362,7 +2362,7 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
                      F_TCPCHECKSUMOFFLOAD | V_IPTTL(64));
         t3_write_reg(adap, A_TP_TCP_OPTIONS, V_MTUDEFAULT(576) |
                      F_MTUENABLE | V_WINDOWSCALEMODE(1) |
-                     V_TIMESTAMPSMODE(1) | V_SACKMODE(1) | V_SACKRX(1));
+                     V_TIMESTAMPSMODE(0) | V_SACKMODE(1) | V_SACKRX(1));
         t3_write_reg(adap, A_TP_DACK_CONFIG, V_AUTOSTATE3(1) |
                      V_AUTOSTATE2(1) | V_AUTOSTATE1(0) |
                      V_BYTETHRESHOLD(16384) | V_MSSTHRESHOLD(2) |
@@ -2371,16 +2371,18 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
                          F_IPV6ENABLE | F_NICMODE);
         t3_write_reg(adap, A_TP_TX_RESOURCE_LIMIT, 0x18141814);
         t3_write_reg(adap, A_TP_PARA_REG4, 0x5050105);
-        t3_set_reg_field(adap, A_TP_PARA_REG6,
-                         adap->params.rev > 0 ? F_ENABLEESND : F_T3A_ENABLEESND,
-                         0);
+        t3_set_reg_field(adap, A_TP_PARA_REG6, 0,
+                         adap->params.rev > 0 ? F_ENABLEESND :
+                         F_T3A_ENABLEESND);
 
         t3_set_reg_field(adap, A_TP_PC_CONFIG,
-                         F_ENABLEEPCMDAFULL | F_ENABLEOCSPIFULL,
-                         F_TXDEFERENABLE | F_HEARBEATDACK | F_TXCONGESTIONMODE |
-                         F_RXCONGESTIONMODE);
+                         F_ENABLEEPCMDAFULL,
+                         F_ENABLEOCSPIFULL |F_TXDEFERENABLE | F_HEARBEATDACK |
+                         F_TXCONGESTIONMODE | F_RXCONGESTIONMODE);
         t3_set_reg_field(adap, A_TP_PC_CONFIG2, F_CHDRAFULL, 0);
-
+        t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1080);
+        t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1000);
+        
         if (adap->params.rev > 0) {
                 tp_wr_indirect(adap, A_TP_EGRESS_CONFIG, F_REWRITEFORCETOSIZE);
                 t3_set_reg_field(adap, A_TP_PARA_REG3, F_TXPACEAUTO,
@@ -2390,9 +2392,10 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
         } else
                 t3_set_reg_field(adap, A_TP_PARA_REG3, 0, F_TXPACEFIXED);
 
-        t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT1, 0x12121212);
-        t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, 0x12121212);
-        t3_write_reg(adap, A_TP_MOD_CHANNEL_WEIGHT, 0x1212);
+        t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT1, 0);
+        t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, 0);
+        t3_write_reg(adap, A_TP_MOD_CHANNEL_WEIGHT, 0);
+        t3_write_reg(adap, A_TP_MOD_RATE_LIMIT, 0xf2200000);
 }
 
 /* Desired TP timer resolution in usec */
@@ -2468,6 +2471,7 @@ int t3_tp_set_coalescing_size(struct adapter *adap, unsigned int size, int psh)
                 val |= F_RXCOALESCEENABLE;
                 if (psh)
                         val |= F_RXCOALESCEPSHEN;
+                size = min(MAX_RX_COALESCING_LEN, size);
                 t3_write_reg(adap, A_TP_PARA_REG2, V_RXCOALESCESIZE(size) |
                              V_MAXRXDATA(MAX_RX_COALESCING_LEN));
         }
@@ -2496,11 +2500,11 @@ static void __devinit init_mtus(unsigned short mtus[])
          * it can accomodate max size TCP/IP headers when SACK and timestamps
          * are enabled and still have at least 8 bytes of payload.
          */
-        mtus[0] = 88;
-        mtus[1] = 256;
-        mtus[2] = 512;
-        mtus[3] = 576;
-        mtus[4] = 808;
+        mtus[1] = 88;
+        mtus[1] = 88;
+        mtus[2] = 256;
+        mtus[3] = 512;
+        mtus[4] = 576;
         mtus[5] = 1024;
         mtus[6] = 1280;
         mtus[7] = 1492;
@@ -2802,7 +2806,7 @@ static void init_hw_for_avail_ports(struct adapter *adap, int nports)
                 t3_set_reg_field(adap, A_ULPTX_CONFIG, F_CFG_RR_ARB, 0);
                 t3_write_reg(adap, A_MPS_CFG, F_TPRXPORTEN | F_TPTXPORT0EN |
                              F_PORT0ACTIVE | F_ENFORCEPKT);
-                t3_write_reg(adap, A_PM1_TX_CFG, 0xc000c000);
+                t3_write_reg(adap, A_PM1_TX_CFG, 0xffffffff);
         } else {
                 t3_set_reg_field(adap, A_ULPRX_CTL, 0, F_ROUND_ROBIN);
                 t3_set_reg_field(adap, A_ULPTX_CONFIG, 0, F_CFG_RR_ARB);
@@ -3097,7 +3101,7 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
         else
                 t3_set_reg_field(adapter, A_PCIX_CFG, 0, F_CLIDECEN);
 
-        t3_write_reg(adapter, A_PM1_RX_CFG, 0xf000f000);
+        t3_write_reg(adapter, A_PM1_RX_CFG, 0xffffffff);
         init_hw_for_avail_ports(adapter, adapter->params.nports);
         t3_sge_init(adapter, &adapter->params.sge);
 
diff --git a/drivers/net/cxgb3/version.h b/drivers/net/cxgb3/version.h
index b112317f033e..8eddd23a3a51 100644
--- a/drivers/net/cxgb3/version.h
+++ b/drivers/net/cxgb3/version.h
@@ -39,6 +39,6 @@
 
 /* Firmware version */
 #define FW_VERSION_MAJOR 4
-#define FW_VERSION_MINOR 0
+#define FW_VERSION_MINOR 1
 #define FW_VERSION_MICRO 0
 #endif                          /* __CHELSIO_VERSION_H */