target/cxgbit: Fix endianness annotations

This patch does not change any functionality but avoids that sparse
complains about endianness.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.h

@@ -59,7 +59,7 @@ struct cxgbi_pagepod_hdr {
 #define PPOD_PAGES_MAX			4
 struct cxgbi_pagepod {
 	struct cxgbi_pagepod_hdr hdr;
-	u64 addr[PPOD_PAGES_MAX + 1];
+	__be64 addr[PPOD_PAGES_MAX + 1];
 };
 
 /* ddp tag format

drivers/target/iscsi/cxgbit/cxgbit_cm.c

@@ -1726,7 +1726,7 @@ static bool cxgbit_credit_err(const struct cxgbit_sock *csk)
 	}
 
 	while (skb) {
-		credit += skb->csum;
+		credit += (__force u32)skb->csum;
 		skb = cxgbit_skcb_tx_wr_next(skb);
 	}
 
@@ -1753,6 +1753,7 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb)
 
 	while (credits) {
 		struct sk_buff *p = cxgbit_sock_peek_wr(csk);
+		const u32 csum = (__force u32)p->csum;
 
 		if (unlikely(!p)) {
 			pr_err("csk 0x%p,%u, cr %u,%u+%u, empty.\n",
@@ -1761,17 +1762,17 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb)
 			break;
 		}
 
-		if (unlikely(credits < p->csum)) {
+		if (unlikely(credits < csum)) {
 			pr_warn("csk 0x%p,%u, cr %u,%u+%u, < %u.\n",
 				csk,  csk->tid,
 				credits, csk->wr_cred, csk->wr_una_cred,
-				p->csum);
-			p->csum -= credits;
+				csum);
+			p->csum = (__force __wsum)(csum - credits);
 			break;
 		}
 
 		cxgbit_sock_dequeue_wr(csk);
-		credits -= p->csum;
+		credits -= csum;
 		kfree_skb(p);
 	}
 

drivers/target/iscsi/cxgbit/cxgbit_main.c

@@ -454,7 +454,7 @@ cxgbit_uld_lro_rx_handler(void *hndl, const __be64 *rsp,
 		if (unlikely(op != *(u8 *)gl->va)) {
 			pr_info("? FL 0x%p,RSS%#llx,FL %#llx,len %u.\n",
 				gl->va, be64_to_cpu(*rsp),
-				be64_to_cpu(*(u64 *)gl->va),
+				get_unaligned_be64(gl->va),
 				gl->tot_len);
 			return 0;
 		}

drivers/target/iscsi/cxgbit/cxgbit_target.c

@@ -243,7 +243,7 @@ void cxgbit_push_tx_frames(struct cxgbit_sock *csk)
 		}
 		__skb_unlink(skb, &csk->txq);
 		set_wr_txq(skb, CPL_PRIORITY_DATA, csk->txq_idx);
-		skb->csum = credits_needed + flowclen16;
+		skb->csum = (__force __wsum)(credits_needed + flowclen16);
 		csk->wr_cred -= credits_needed;
 		csk->wr_una_cred += credits_needed;