i40e: trivial fixes

1) remove duplicate include of tcp.h
2) put an ampersand at the end of a line instead of the beginning
3) remove a useless dev_info
4) match declaration of function to the implementation
5) repair incorrect comment
6) correct whitespace
7) remove unused define
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e.h

@@ -42,7 +42,6 @@
 #include <linux/string.h>
 #include <linux/in.h>
 #include <linux/ip.h>
-#include <linux/tcp.h>
 #include <linux/sctp.h>
 #include <linux/pkt_sched.h>
 #include <linux/ipv6.h>
@@ -608,8 +607,8 @@ static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
 
 	full_ver = hw->nvm.oem_ver;
 	ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
-	build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT)
-		 & I40E_OEM_VER_BUILD_MASK);
+	build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
+		 I40E_OEM_VER_BUILD_MASK);
 	patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
 
 	snprintf(buf, sizeof(buf),
@@ -717,7 +716,7 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 void i40e_veb_release(struct i40e_veb *veb);
 
 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
-i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
+int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 void i40e_pf_reset_stats(struct i40e_pf *pf);

drivers/net/ethernet/intel/i40e/i40e_txrx.c

@@ -328,7 +328,7 @@ static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi,
  * @fd_data: the flow director data required for the FDir descriptor
  * @add: true adds a filter, false removes it
  *
- * Always returns -EOPNOTSUPP
+ * Returns 0 if the filters were successfully added or removed
  **/
 static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi,
 				    struct i40e_fdir_filter *fd_data,
@@ -515,9 +515,6 @@ static void i40e_fd_handle_status(struct i40e_ring *rx_ring,
 				pf->auto_disable_flags |=
 							I40E_FLAG_FD_SB_ENABLED;
 			}
-		} else {
-			dev_info(&pdev->dev,
-				"FD filter programming failed due to incorrect filter parameters\n");
 		}
 	} else if (error == BIT(I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
 		if (I40E_DEBUG_FD & pf->hw.debug_mask)
@@ -1872,7 +1869,6 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
 		q_vector->itr_countdown--;
 	else
 		q_vector->itr_countdown = ITR_COUNTDOWN_START;
-
 }
 
 /**

drivers/net/ethernet/intel/i40evf/i40e_txrx.c

@@ -411,7 +411,7 @@ static bool i40e_set_new_dynamic_itr(struct i40e_ring_container *rc)
 	return false;
 }
 
-/*
+/**
  * i40evf_setup_tx_descriptors - Allocate the Tx descriptors
  * @tx_ring: the tx ring to set up
  *
@@ -1259,10 +1259,12 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
 		rx = i40e_set_new_dynamic_itr(&q_vector->rx);
 		rxval = i40e_buildreg_itr(I40E_RX_ITR, q_vector->rx.itr);
 	}
+
 	if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) {
 		tx = i40e_set_new_dynamic_itr(&q_vector->tx);
 		txval = i40e_buildreg_itr(I40E_TX_ITR, q_vector->tx.itr);
 	}
+
 	if (rx || tx) {
 		/* get the higher of the two ITR adjustments and
 		 * use the same value for both ITR registers
@@ -1298,7 +1300,6 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
 		q_vector->itr_countdown--;
 	else
 		q_vector->itr_countdown = ITR_COUNTDOWN_START;
-
 }
 
 /**
@@ -1552,7 +1553,6 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
 			*tx_flags |= I40E_TX_FLAGS_IPV6;
 		}
 
-
 		if ((tx_ring->flags & I40E_TXR_FLAGS_OUTER_UDP_CSUM) &&
 		    (l4_tunnel == I40E_TXD_CTX_UDP_TUNNELING)        &&
 		    (*cd_tunneling & I40E_TXD_CTX_QW0_EXT_IP_MASK)) {
@@ -1651,7 +1651,7 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring,
 	context_desc->type_cmd_tso_mss = cpu_to_le64(cd_type_cmd_tso_mss);
 }
 
- /**
+/**
  * i40e_chk_linearize - Check if there are more than 8 fragments per packet
  * @skb:      send buffer
  * @tx_flags: collected send information
@@ -1847,7 +1847,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
 		tx_bi = &tx_ring->tx_bi[i];
 	}
 
-#define WB_STRIDE 0x3
 	/* set next_to_watch value indicating a packet is present */
 	first->next_to_watch = tx_desc;
 
@@ -1874,12 +1873,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
 	 *			update tail and set RS bit on every packet.
 	 *	if xmit_more is false and last_xmit_more was true
 	 *		update tail and set RS bit.
-	 * else (kernel < 3.18)
-	 *	if every packet spanned less than 4 desc
-	 *		then set RS bit on 4th packet and update tail
-	 *		on every packet
-	 *	else
-	 *		set RS bit on EOP for every packet and update tail
 	 *
 	 * Optimization: wmb to be issued only in case of tail update.
 	 * Also optimize the Descriptor WB path for RS bit with the same