[dpdk-dev] [PATCH] enicpd: Warnings and one error when built using clang compiler

Sujith Sankar ssujith at cisco.com
Sat Nov 29 08:17:37 CET 2014


This patch fixes the warnings and error reported by clang compiler on Linux.

Reported-by: Bruce Richardson <bruce.richardson at intel.com>
Signed-off-by: Sujith Sankar <ssujith at cisco.com>
---
 lib/librte_pmd_enic/enic.h          | 40 +++++++++++++++++++++++++++++++++++++
 lib/librte_pmd_enic/enic_compat.h   |  1 +
 lib/librte_pmd_enic/enic_main.c     | 31 +++++++++++++++-------------
 lib/librte_pmd_enic/vnic/vnic_dev.c | 19 ++++++++++--------
 lib/librte_pmd_enic/vnic/vnic_dev.h |  9 +++++++++
 5 files changed, 78 insertions(+), 22 deletions(-)

diff --git a/lib/librte_pmd_enic/enic.h b/lib/librte_pmd_enic/enic.h
index 6400d24..f128e64 100644
--- a/lib/librte_pmd_enic/enic.h
+++ b/lib/librte_pmd_enic/enic.h
@@ -154,4 +154,44 @@ static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
 	return (struct enic *)eth_dev->data->dev_private;
 }
 
+extern int enic_fdir_add_fltr(struct enic *enic,
+	struct rte_fdir_filter *params, u16 queue, u8 drop);
+extern int enic_fdir_del_fltr(struct enic *enic,
+	struct rte_fdir_filter *params);
+extern void enic_free_wq(void *txq);
+extern int enic_alloc_intr_resources(struct enic *enic);
+extern int enic_setup_finish(struct enic *enic);
+extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
+	unsigned int socket_id, uint16_t nb_desc);
+extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
+extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
+extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
+extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
+extern void enic_free_rq(void *rxq);
+extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
+	unsigned int socket_id, struct rte_mempool *mp,
+	uint16_t nb_desc);
+extern int enic_set_rss_nic_cfg(struct enic *enic);
+extern int enic_set_vnic_res(struct enic *enic);
+extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
+extern int enic_enable(struct enic *enic);
+extern int enic_disable(struct enic *enic);
+extern void enic_remove(struct enic *enic);
+extern int enic_get_link_status(struct enic *enic);
+extern void enic_dev_stats_get(struct enic *enic,
+	struct rte_eth_stats *r_stats);
+extern void enic_dev_stats_clear(struct enic *enic);
+extern void enic_add_packet_filter(struct enic *enic);
+extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
+extern void enic_del_mac_address(struct enic *enic);
+extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
+extern int enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+	struct rte_mbuf *tx_pkt, unsigned short len,
+	uint8_t sop, uint8_t eop,
+	uint16_t ol_flags, uint16_t vlan_tag);
+extern int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts,
+	unsigned int budget, unsigned int *work_done);
+extern int enic_probe(struct enic *enic);
+extern int enic_clsf_init(struct enic *enic);
+extern void enic_clsf_destroy(struct enic *enic);
 #endif /* _ENIC_H_ */
diff --git a/lib/librte_pmd_enic/enic_compat.h b/lib/librte_pmd_enic/enic_compat.h
index b3738ee..b1af838 100644
--- a/lib/librte_pmd_enic/enic_compat.h
+++ b/lib/librte_pmd_enic/enic_compat.h
@@ -37,6 +37,7 @@
 #define _ENIC_COMPAT_H_
 
 #include <stdio.h>
+#include <unistd.h>
 
 #include <rte_atomic.h>
 #include <rte_malloc.h>
diff --git a/lib/librte_pmd_enic/enic_main.c b/lib/librte_pmd_enic/enic_main.c
index 853dd04..4bbf1e4 100644
--- a/lib/librte_pmd_enic/enic_main.c
+++ b/lib/librte_pmd_enic/enic_main.c
@@ -65,17 +65,17 @@ static inline int enic_is_sriov_vf(struct enic *enic)
 	return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF;
 }
 
-static int is_zero_addr(char *addr)
+static int is_zero_addr(uint8_t *addr)
 {
 	return !(addr[0] |  addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
 }
 
-static int is_mcast_addr(char *addr)
+static int is_mcast_addr(uint8_t *addr)
 {
 	return addr[0] & 1;
 }
 
-static int is_eth_addr_valid(char *addr)
+static int is_eth_addr_valid(uint8_t *addr)
 {
 	return !is_mcast_addr(addr) && !is_zero_addr(addr);
 }
@@ -105,7 +105,8 @@ static const struct rte_memzone *ring_dma_zone_reserve(
 	if (mz)
 		return mz;
 
-	return rte_memzone_reserve_aligned(z_name, (uint64_t) ring_size,
+	return rte_memzone_reserve_aligned((const char *)z_name,
+		(uint64_t) ring_size,
 		socket_id, RTE_MEMZONE_1GB, ENIC_ALIGN);
 }
 
@@ -430,14 +431,15 @@ static int enic_rq_indicate_buf(struct vnic_rq *rq,
 		&ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment,
 		&fcs_ok);
 
-	if (packet_error) {
-		dev_err(enic, "packet error\n");
-		return;
-	}
-
 	rx_pkt = (struct rte_mbuf *)buf->os_buf;
 	buf->os_buf = NULL;
 
+	if (unlikely(packet_error)) {
+		dev_err(enic, "packet error\n");
+		rx_pkt->data_len = 0;
+		return 0;
+	}
+
 	if (unlikely(skipped)) {
 		rx_pkt->data_len = 0;
 		return 0;
@@ -563,7 +565,8 @@ void *enic_alloc_consistent(void *priv, size_t size,
 	const struct rte_memzone *rz;
 	*dma_handle = 0;
 
-	rz = rte_memzone_reserve_aligned(name, size, 0, 0, ENIC_ALIGN);
+	rz = rte_memzone_reserve_aligned((const char *)name,
+		size, 0, 0, ENIC_ALIGN);
 	if (!rz) {
 		pr_err("%s : Failed to allocate memory requested for %s",
 			__func__, name);
@@ -873,9 +876,9 @@ static int enic_set_rsskey(struct enic *enic)
 		.key[3].b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108},
 	};
 	int err;
-	char name[NAME_MAX];
+	u8 name[NAME_MAX];
 
-	snprintf(name, NAME_MAX, "rss_key-%s", enic->bdf_name);
+	snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
 	rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
 		&rss_key_buf_pa, name);
 	if (!rss_key_buf_va)
@@ -899,9 +902,9 @@ static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
 	union vnic_rss_cpu *rss_cpu_buf_va = NULL;
 	unsigned int i;
 	int err;
-	char name[NAME_MAX];
+	u8 name[NAME_MAX];
 
-	snprintf(name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
+	snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
 	rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
 		&rss_cpu_buf_pa, name);
 	if (!rss_cpu_buf_va)
diff --git a/lib/librte_pmd_enic/vnic/vnic_dev.c b/lib/librte_pmd_enic/vnic/vnic_dev.c
index 485123f..682c9c9 100644
--- a/lib/librte_pmd_enic/vnic/vnic_dev.c
+++ b/lib/librte_pmd_enic/vnic/vnic_dev.c
@@ -517,13 +517,14 @@ int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
 {
 	u64 a0, a1;
 	int wait = 1000;
-	static instance;
+	static u32 instance;
 	char name[NAME_MAX];
 
 	if (!vdev->stats) {
-		snprintf(name, sizeof(name), "vnic_stats-%d", instance++);
+		snprintf((char *)name, sizeof(name),
+			"vnic_stats-%d", instance++);
 		vdev->stats = vdev->alloc_consistent(vdev->priv,
-			sizeof(struct vnic_stats), &vdev->stats_pa, name);
+			sizeof(struct vnic_stats), &vdev->stats_pa, (u8 *)name);
 		if (!vdev->stats)
 			return -ENOMEM;
 	}
@@ -763,7 +764,7 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
 	void *notify_addr;
 	dma_addr_t notify_pa;
 	char name[NAME_MAX];
-	static int instance;
+	static u32 instance;
 
 	if (vdev->notify || vdev->notify_pa) {
 		pr_warn("notify block %p still allocated.\n" \
@@ -772,10 +773,11 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
 	}
 
 	if (!vnic_dev_in_reset(vdev)) {
-		snprintf(name, sizeof(name), "vnic_notify-%d", instance++);
+		snprintf((char *)name, sizeof(name),
+			"vnic_notify-%d", instance++);
 		notify_addr = vdev->alloc_consistent(vdev->priv,
 			sizeof(struct vnic_devcmd_notify),
-			&notify_pa, name);
+			&notify_pa, (u8 *)name);
 		if (!notify_addr)
 			return -ENOMEM;
 	}
@@ -1028,9 +1030,10 @@ int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
 		tlv_size = sizeof(struct filter) +
 		    sizeof(struct filter_action) +
 		    2*sizeof(struct filter_tlv);
-		snprintf(z_name, sizeof(z_name), "vnic_clsf_%d", unique_id++);
+		snprintf((char *)z_name, sizeof(z_name),
+			"vnic_clsf_%d", unique_id++);
 		tlv_va = vdev->alloc_consistent(vdev->priv,
-			tlv_size, &tlv_pa, z_name);
+			tlv_size, &tlv_pa, (u8 *)z_name);
 		if (!tlv_va)
 			return -ENOMEM;
 		tlv = tlv_va;
diff --git a/lib/librte_pmd_enic/vnic/vnic_dev.h b/lib/librte_pmd_enic/vnic/vnic_dev.h
index 63c26dd..8cc036b 100644
--- a/lib/librte_pmd_enic/vnic/vnic_dev.h
+++ b/lib/librte_pmd_enic/vnic/vnic_dev.h
@@ -100,6 +100,12 @@ struct vnic_stats;
 void *vnic_dev_priv(struct vnic_dev *vdev);
 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 	enum vnic_res_type type);
+void vnic_register_cbacks(struct vnic_dev *vdev,
+	void *(*alloc_consistent)(void *priv, size_t size,
+		dma_addr_t *dma_handle, u8 *name),
+	void (*free_consistent)(struct rte_pci_device *hwdev,
+		size_t size, void *vaddr,
+		dma_addr_t dma_handle));
 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 	unsigned int index);
 dma_addr_t vnic_dev_get_res_bus_addr(struct vnic_dev *vdev,
@@ -113,6 +119,8 @@ unsigned long vnic_dev_get_res_type_len(struct vnic_dev *vdev,
 unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
 	unsigned int desc_count, unsigned int desc_size);
 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
+void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size);
+u16 vnic_get_hdr_split_size(struct vnic_dev *vdev);
 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 	unsigned int desc_count, unsigned int desc_size, unsigned int socket_id,
 	char *z_name);
@@ -142,6 +150,7 @@ int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr);
 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
+void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state);
 int vnic_dev_notify_unset(struct vnic_dev *vdev);
 int vnic_dev_notify_setcmd(struct vnic_dev *vdev,
 	void *notify_addr, dma_addr_t notify_pa, u16 intr);
-- 
1.9.1



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