New upstream version 16.11.8
[deb_dpdk.git] / lib / librte_net / rte_ip.h
index 4491b86..5234663 100644 (file)
@@ -170,25 +170,25 @@ __rte_raw_cksum(const void *buf, size_t len, uint32_t sum)
        /* workaround gcc strict-aliasing warning */
        uintptr_t ptr = (uintptr_t)buf;
        typedef uint16_t __attribute__((__may_alias__)) u16_p;
-       const u16_p *u16 = (const u16_p *)ptr;
-
-       while (len >= (sizeof(*u16) * 4)) {
-               sum += u16[0];
-               sum += u16[1];
-               sum += u16[2];
-               sum += u16[3];
-               len -= sizeof(*u16) * 4;
-               u16 += 4;
+       const u16_p *u16_buf = (const u16_p *)ptr;
+
+       while (len >= (sizeof(*u16_buf) * 4)) {
+               sum += u16_buf[0];
+               sum += u16_buf[1];
+               sum += u16_buf[2];
+               sum += u16_buf[3];
+               len -= sizeof(*u16_buf) * 4;
+               u16_buf += 4;
        }
-       while (len >= sizeof(*u16)) {
-               sum += *u16;
-               len -= sizeof(*u16);
-               u16 += 1;
+       while (len >= sizeof(*u16_buf)) {
+               sum += *u16_buf;
+               len -= sizeof(*u16_buf);
+               u16_buf += 1;
        }
 
        /* if length is in odd bytes */
        if (len == 1)
-               sum += *((const uint8_t *)u16);
+               sum += *((const uint8_t *)u16_buf);
 
        return sum;
 }
@@ -284,7 +284,7 @@ rte_raw_cksum_mbuf(const struct rte_mbuf *m, uint32_t off, uint32_t len,
        for (;;) {
                tmp = __rte_raw_cksum(buf, seglen, 0);
                if (done & 1)
-                       tmp = rte_bswap16(tmp);
+                       tmp = rte_bswap16((uint16_t)tmp);
                sum += tmp;
                done += seglen;
                if (done == len)
@@ -315,7 +315,7 @@ rte_ipv4_cksum(const struct ipv4_hdr *ipv4_hdr)
 {
        uint16_t cksum;
        cksum = rte_raw_cksum(ipv4_hdr, sizeof(struct ipv4_hdr));
-       return (cksum == 0xffff) ? cksum : ~cksum;
+       return (cksum == 0xffff) ? cksum : (uint16_t)~cksum;
 }
 
 /**
@@ -380,8 +380,8 @@ rte_ipv4_udptcp_cksum(const struct ipv4_hdr *ipv4_hdr, const void *l4_hdr)
        uint32_t cksum;
        uint32_t l4_len;
 
-       l4_len = rte_be_to_cpu_16(ipv4_hdr->total_length) -
-               sizeof(struct ipv4_hdr);
+       l4_len = (uint32_t)(rte_be_to_cpu_16(ipv4_hdr->total_length) -
+               sizeof(struct ipv4_hdr));
 
        cksum = rte_raw_cksum(l4_hdr, l4_len);
        cksum += rte_ipv4_phdr_cksum(ipv4_hdr, 0);
@@ -391,7 +391,7 @@ rte_ipv4_udptcp_cksum(const struct ipv4_hdr *ipv4_hdr, const void *l4_hdr)
        if (cksum == 0)
                cksum = 0xffff;
 
-       return cksum;
+       return (uint16_t)cksum;
 }
 
 /**
@@ -431,7 +431,7 @@ rte_ipv6_phdr_cksum(const struct ipv6_hdr *ipv6_hdr, uint64_t ol_flags)
                uint32_t proto; /* L4 protocol - top 3 bytes must be zero */
        } psd_hdr;
 
-       psd_hdr.proto = (ipv6_hdr->proto << 24);
+       psd_hdr.proto = (uint32_t)(ipv6_hdr->proto << 24);
        if (ol_flags & PKT_TX_TCP_SEG) {
                psd_hdr.len = 0;
        } else {
@@ -474,7 +474,7 @@ rte_ipv6_udptcp_cksum(const struct ipv6_hdr *ipv6_hdr, const void *l4_hdr)
        if (cksum == 0)
                cksum = 0xffff;
 
-       return cksum;
+       return (uint16_t)cksum;
 }
 
 #ifdef __cplusplus