ice: Use Tx|Rx in comments

In code comments, use Tx|Rx instead of tx|rx
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice.h

@@ -96,14 +96,14 @@ extern const char ice_drv_ver[];
 #define ice_for_each_vsi(pf, i) \
 	for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
 
-/* Macros for each tx/rx ring in a VSI */
+/* Macros for each Tx/Rx ring in a VSI */
 #define ice_for_each_txq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
 
 #define ice_for_each_rxq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
 
-/* Macros for each allocated tx/rx ring whether used or not in a VSI */
+/* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
 #define ice_for_each_alloc_txq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
 
@@ -183,8 +183,8 @@ struct ice_vsi {
 	struct ice_sw *vsw;		 /* switch this VSI is on */
 	struct ice_pf *back;		 /* back pointer to PF */
 	struct ice_port_info *port_info; /* back pointer to port_info */
-	struct ice_ring **rx_rings;	 /* rx ring array */
-	struct ice_ring **tx_rings;	 /* tx ring array */
+	struct ice_ring **rx_rings;	 /* Rx ring array */
+	struct ice_ring **tx_rings;	 /* Tx ring array */
 	struct ice_q_vector **q_vectors; /* q_vector array */
 
 	irqreturn_t (*irq_handler)(int irq, void *data);
@@ -255,8 +255,8 @@ struct ice_q_vector {
 	struct ice_ring_container tx;
 	struct irq_affinity_notify affinity_notify;
 	u16 v_idx;			/* index in the vsi->q_vector array. */
-	u8 num_ring_tx;			/* total number of tx rings in vector */
-	u8 num_ring_rx;			/* total number of rx rings in vector */
+	u8 num_ring_tx;			/* total number of Tx rings in vector */
+	u8 num_ring_rx;			/* total number of Rx rings in vector */
 	char name[ICE_INT_NAME_STR_LEN];
 	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
 	 * value to the device
@@ -308,10 +308,10 @@ struct ice_pf {
 	u32 hw_oicr_idx;	/* Other interrupt cause vector HW index */
 	u32 num_avail_hw_msix;	/* remaining HW MSIX vectors left unclaimed */
 	u32 num_lan_msix;	/* Total MSIX vectors for base driver */
-	u16 num_lan_tx;		/* num lan tx queues setup */
-	u16 num_lan_rx;		/* num lan rx queues setup */
-	u16 q_left_tx;		/* remaining num tx queues left unclaimed */
-	u16 q_left_rx;		/* remaining num rx queues left unclaimed */
+	u16 num_lan_tx;		/* num lan Tx queues setup */
+	u16 num_lan_rx;		/* num lan Rx queues setup */
+	u16 q_left_tx;		/* remaining num Tx queues left unclaimed */
+	u16 q_left_rx;		/* remaining num Rx queues left unclaimed */
 	u16 next_vsi;		/* Next free slot in pf->vsi[] - 0-based! */
 	u16 num_alloc_vsi;
 	u16 corer_count;	/* Core reset count */

drivers/net/ethernet/intel/ice/ice_common.c

@@ -713,7 +713,7 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
 
 	hw->evb_veb = true;
 
-	/* Query the allocated resources for tx scheduler */
+	/* Query the allocated resources for Tx scheduler */
 	status = ice_sched_query_res_alloc(hw);
 	if (status) {
 		ice_debug(hw, ICE_DBG_SCHED,
@@ -956,7 +956,7 @@ enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req)
  * ice_copy_rxq_ctx_to_hw
  * @hw: pointer to the hardware structure
  * @ice_rxq_ctx: pointer to the rxq context
- * @rxq_index: the index of the rx queue
+ * @rxq_index: the index of the Rx queue
  *
  * Copies rxq context from dense structure to hw register space
  */
@@ -1012,7 +1012,7 @@ static const struct ice_ctx_ele ice_rlan_ctx_info[] = {
  * ice_write_rxq_ctx
  * @hw: pointer to the hardware structure
  * @rlan_ctx: pointer to the rxq context
- * @rxq_index: the index of the rx queue
+ * @rxq_index: the index of the Rx queue
  *
  * Converts rxq context from sparse to dense structure and then writes
  * it to hw register space

drivers/net/ethernet/intel/ice/ice_controlq.c

@@ -591,7 +591,6 @@ static enum ice_status ice_init_check_adminq(struct ice_hw *hw)
  *     - cq->num_rq_entries
  *     - cq->rq_buf_size
  *     - cq->sq_buf_size
- *
  */
 static enum ice_status ice_init_ctrlq(struct ice_hw *hw, enum ice_ctl_q q_type)
 {

drivers/net/ethernet/intel/ice/ice_ethtool.c

@@ -260,10 +260,10 @@ static int ice_get_sset_count(struct net_device *netdev, int sset)
 		 * a private ethtool flag). This is due to the nature of the
 		 * ethtool stats API.
 		 *
-		 * User space programs such as ethtool must make 3 separate
+		 * Userspace programs such as ethtool must make 3 separate
 		 * ioctl requests, one for size, one for the strings, and
 		 * finally one for the stats. Since these cross into
-		 * user space, changes to the number or size could result in
+		 * userspace, changes to the number or size could result in
 		 * undefined memory access or incorrect string<->value
 		 * correlations for statistics.
 		 *
@@ -1441,7 +1441,7 @@ ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
 /**
  * ice_set_pauseparam - Set Flow Control parameter
  * @netdev: network interface device structure
- * @pause: return tx/rx flow control status
+ * @pause: return Tx/Rx flow control status
  */
 static int
 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
@@ -1543,7 +1543,7 @@ static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
 }
 
 /**
- * ice_get_rxfh_indir_size - get the rx flow hash indirection table size
+ * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
  * @netdev: network interface device structure
  *
  * Returns the table size.
@@ -1556,7 +1556,7 @@ static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
 }
 
 /**
- * ice_get_rxfh - get the rx flow hash indirection table
+ * ice_get_rxfh - get the Rx flow hash indirection table
  * @netdev: network interface device structure
  * @indir: indirection table
  * @key: hash key
@@ -1603,7 +1603,7 @@ ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
 }
 
 /**
- * ice_set_rxfh - set the rx flow hash indirection table
+ * ice_set_rxfh - set the Rx flow hash indirection table
  * @netdev: network interface device structure
  * @indir: indirection table
  * @key: hash key

drivers/net/ethernet/intel/ice/ice_lib.c

@@ -20,7 +20,7 @@ static int ice_setup_rx_ctx(struct ice_ring *ring)
 	u16 pf_q;
 	int err;
 
-	/* what is RX queue number in global space of 2K Rx queues */
+	/* what is Rx queue number in global space of 2K Rx queues */
 	pf_q = vsi->rxq_map[ring->q_index];
 
 	/* clear the context structure first */
@@ -1200,7 +1200,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
 	struct ice_pf *pf = vsi->back;
 	int i;
 
-	/* Allocate tx_rings */
+	/* Allocate Tx rings */
 	for (i = 0; i < vsi->alloc_txq; i++) {
 		struct ice_ring *ring;
 
@@ -1219,7 +1219,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
 		vsi->tx_rings[i] = ring;
 	}
 
-	/* Allocate rx_rings */
+	/* Allocate Rx rings */
 	for (i = 0; i < vsi->alloc_rxq; i++) {
 		struct ice_ring *ring;
 
@@ -2333,7 +2333,7 @@ static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
 	int start = res->search_hint;
 	int end = start;
 
-	if ((start + needed) >  res->num_entries)
+	if ((start + needed) > res->num_entries)
 		return -ENOMEM;
 
 	id |= ICE_RES_VALID_BIT;

drivers/net/ethernet/intel/ice/ice_main.c

@@ -1786,7 +1786,7 @@ static void ice_determine_q_usage(struct ice_pf *pf)
 
 	pf->num_lan_tx = min_t(int, q_left_tx, num_online_cpus());
 
-	/* only 1 rx queue unless RSS is enabled */
+	/* only 1 Rx queue unless RSS is enabled */
 	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
 		pf->num_lan_rx = 1;
 	else

drivers/net/ethernet/intel/ice/ice_sched.c

@@ -1337,7 +1337,7 @@ ice_sched_rm_vsi_child_nodes(struct ice_port_info *pi,
  * @num_nodes: pointer to num nodes array
  *
  * This function calculates the number of supported nodes needed to add this
- * VSI into tx tree including the VSI, parent and intermediate nodes in below
+ * VSI into Tx tree including the VSI, parent and intermediate nodes in below
  * layers
  */
 static void
@@ -1374,13 +1374,13 @@ ice_sched_calc_vsi_support_nodes(struct ice_hw *hw,
 }
 
 /**
- * ice_sched_add_vsi_support_nodes - add VSI supported nodes into tx tree
+ * ice_sched_add_vsi_support_nodes - add VSI supported nodes into Tx tree
  * @pi: port information structure
  * @vsi_handle: software VSI handle
  * @tc_node: pointer to TC node
  * @num_nodes: pointer to num nodes array
  *
- * This function adds the VSI supported nodes into tx tree including the
+ * This function adds the VSI supported nodes into Tx tree including the
  * VSI, its parent and intermediate nodes in below layers
  */
 static enum ice_status

drivers/net/ethernet/intel/ice/ice_switch.c

@@ -827,7 +827,7 @@ ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
 	/* Create two back-to-back switch rules and submit them to the HW using
 	 * one memory buffer:
 	 *    1. Large Action
-	 *    2. Look up tx rx
+	 *    2. Look up Tx Rx
 	 */
 	lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
 	rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
@@ -871,7 +871,7 @@ ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
 
 	lg_act->pdata.lg_act.act[2] = cpu_to_le32(act);
 
-	/* call the fill switch rule to fill the lookup tx rx structure */
+	/* call the fill switch rule to fill the lookup Tx Rx structure */
 	ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
 			 ice_aqc_opc_update_sw_rules);
 
@@ -1168,8 +1168,8 @@ enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
  * Call AQ command to add or update previously created VSI list with new VSI.
  *
  * Helper function to do book keeping associated with adding filter information
- * The algorithm to do the booking keeping is described below :
- * When a VSI needs to subscribe to a given filter( MAC/VLAN/Ethtype etc.)
+ * The algorithm to do the book keeping is described below :
+ * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
  *	if only one VSI has been added till now
  *		Allocate a new VSI list and add two VSIs
  *		to this list using switch rule command

drivers/net/ethernet/intel/ice/ice_txrx.c

@@ -219,7 +219,7 @@ static bool ice_clean_tx_irq(struct ice_vsi *vsi, struct ice_ring *tx_ring,
 
 /**
  * ice_setup_tx_ring - Allocate the Tx descriptors
- * @tx_ring: the tx ring to set up
+ * @tx_ring: the Tx ring to set up
  *
  * Return 0 on success, negative on error
  */
@@ -324,7 +324,7 @@ void ice_free_rx_ring(struct ice_ring *rx_ring)
 
 /**
  * ice_setup_rx_ring - Allocate the Rx descriptors
- * @rx_ring: the rx ring to set up
+ * @rx_ring: the Rx ring to set up
  *
  * Return 0 on success, negative on error
  */
@@ -586,7 +586,7 @@ static bool ice_add_rx_frag(struct ice_rx_buf *rx_buf,
 
 /**
  * ice_reuse_rx_page - page flip buffer and store it back on the ring
- * @rx_ring: rx descriptor ring to store buffers on
+ * @rx_ring: Rx descriptor ring to store buffers on
  * @old_buf: donor buffer to have page reused
  *
  * Synchronizes page for reuse by the adapter
@@ -609,7 +609,7 @@ static void ice_reuse_rx_page(struct ice_ring *rx_ring,
 
 /**
  * ice_fetch_rx_buf - Allocate skb and populate it
- * @rx_ring: rx descriptor ring to transact packets on
+ * @rx_ring: Rx descriptor ring to transact packets on
  * @rx_desc: descriptor containing info written by hardware
  *
  * This function allocates an skb on the fly, and populates it with the page
@@ -904,7 +904,7 @@ static void ice_rx_csum(struct ice_vsi *vsi, struct sk_buff *skb,
 
 /**
  * ice_process_skb_fields - Populate skb header fields from Rx descriptor
- * @rx_ring: rx descriptor ring packet is being transacted on
+ * @rx_ring: Rx descriptor ring packet is being transacted on
  * @rx_desc: pointer to the EOP Rx descriptor
  * @skb: pointer to current skb being populated
  * @ptype: the packet type decoded by hardware
@@ -927,7 +927,7 @@ static void ice_process_skb_fields(struct ice_ring *rx_ring,
 
 /**
  * ice_receive_skb - Send a completed packet up the stack
- * @rx_ring: rx ring in play
+ * @rx_ring: Rx ring in play
  * @skb: packet to send up
  * @vlan_tag: vlan tag for packet
  *
@@ -946,7 +946,7 @@ static void ice_receive_skb(struct ice_ring *rx_ring, struct sk_buff *skb,
 
 /**
  * ice_clean_rx_irq - Clean completed descriptors from Rx ring - bounce buf
- * @rx_ring: rx descriptor ring to transact packets on
+ * @rx_ring: Rx descriptor ring to transact packets on
  * @budget: Total limit on number of packets to process
  *
  * This function provides a "bounce buffer" approach to Rx interrupt
@@ -1123,7 +1123,7 @@ build_ctob(u64 td_cmd, u64 td_offset, unsigned int size, u64 td_tag)
 }
 
 /**
- * __ice_maybe_stop_tx - 2nd level check for tx stop conditions
+ * __ice_maybe_stop_tx - 2nd level check for Tx stop conditions
  * @tx_ring: the ring to be checked
  * @size: the size buffer we want to assure is available
  *
@@ -1146,7 +1146,7 @@ static int __ice_maybe_stop_tx(struct ice_ring *tx_ring, unsigned int size)
 }
 
 /**
- * ice_maybe_stop_tx - 1st level check for tx stop conditions
+ * ice_maybe_stop_tx - 1st level check for Tx stop conditions
  * @tx_ring: the ring to be checked
  * @size:    the size buffer we want to assure is available
  *
@@ -1156,6 +1156,7 @@ static int ice_maybe_stop_tx(struct ice_ring *tx_ring, unsigned int size)
 {
 	if (likely(ICE_DESC_UNUSED(tx_ring) >= size))
 		return 0;
+
 	return __ice_maybe_stop_tx(tx_ring, size);
 }
 
@@ -1569,7 +1570,7 @@ static unsigned int ice_txd_use_count(unsigned int size)
 }
 
 /**
- * ice_xmit_desc_count - calculate number of tx descriptors needed
+ * ice_xmit_desc_count - calculate number of Tx descriptors needed
  * @skb: send buffer
  *
  * Returns number of data descriptors needed for this skb.