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net:add customizable default max & min port

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add customizable default max & min port

Signed-off-by: wangchen <wangchen41@xiaomi.com>
This commit is contained in:
wangchen 2023-08-29 18:02:32 +08:00 • committed by Xiang Xiao
parent 7f1e80f0de
commit b446a002db
4 changed files with 26 additions and 23 deletions
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12
net/Kconfig
View file

@ -57,6 +57,18 @@ config NET_PROMISCUOUS
Force the Ethernet driver to operate in promiscuous mode (if supported
by the Ethernet driver).
config NET_DEFAULT_MIN_PORT
int "Net Default Min Port"
default 4096
---help---
Default Network min port
config NET_DEFAULT_MAX_PORT
int "Net Default Max Port"
default 32000
---help---
Default Network max port
menu "Driver buffer configuration"
config NET_ETH_PKTSIZE

17
net/nat/ipv4_nat_entry.c
View file

@ -40,15 +40,6 @@
#if defined(CONFIG_NET_NAT) && defined(CONFIG_NET_IPv4)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* TODO: Why we limit to 32000 in net stack? */
#define NAT_PORT_REASSIGN_MAX 32000
#define NAT_PORT_REASSIGN_MIN 4096
/****************************************************************************
* Private Data
****************************************************************************/
@ -119,9 +110,9 @@ static uint16_t ipv4_nat_select_port_without_stack(
uint16_t hport = NTOHS(portno);
while (ipv4_nat_port_inuse(protocol, ip, portno))
{
if (++hport >= NAT_PORT_REASSIGN_MAX)
if (++hport >= CONFIG_NET_DEFAULT_MAX_PORT)
{
hport = NAT_PORT_REASSIGN_MIN;
hport = CONFIG_NET_DEFAULT_MIN_PORT;
}
portno = HTONS(hport);
@ -209,9 +200,9 @@ static uint16_t ipv4_nat_select_port(FAR struct net_driver_s *dev,
while (icmp_findconn(dev, id) ||
ipv4_nat_port_inuse(IP_PROTO_ICMP, dev->d_ipaddr, id))
{
if (++hid >= NAT_PORT_REASSIGN_MAX)
if (++hid >= CONFIG_NET_DEFAULT_MAX_PORT)
{
hid = NAT_PORT_REASSIGN_MIN;
hid = CONFIG_NET_DEFAULT_MIN_PORT;
}
id = HTONS(hid);

10
net/tcp/tcp_conn.c
View file

@ -585,11 +585,11 @@ int tcp_selectport(uint8_t domain,
{
net_getrandom(&g_last_tcp_port, sizeof(uint16_t));
g_last_tcp_port = g_last_tcp_port % 32000;
g_last_tcp_port = g_last_tcp_port % CONFIG_NET_DEFAULT_MAX_PORT;
if (g_last_tcp_port < 4096)
if (g_last_tcp_port < CONFIG_NET_DEFAULT_MIN_PORT)
{
g_last_tcp_port += 4096;
g_last_tcp_port += CONFIG_NET_DEFAULT_MIN_PORT;
}
}
@ -608,9 +608,9 @@ int tcp_selectport(uint8_t domain,
* is within range.
*/
if (++g_last_tcp_port >= 32000)
if (++g_last_tcp_port >= CONFIG_NET_DEFAULT_MAX_PORT)
{
g_last_tcp_port = 4096;
g_last_tcp_port = CONFIG_NET_DEFAULT_MIN_PORT;
}
portno = HTONS(g_last_tcp_port);

10
net/udp/udp_conn.c
View file

@ -540,11 +540,11 @@ uint16_t udp_select_port(uint8_t domain, FAR union ip_binding_u *u)
if (g_last_udp_port == 0)
{
g_last_udp_port = clock_systime_ticks() % 32000;
g_last_udp_port = clock_systime_ticks() % CONFIG_NET_DEFAULT_MAX_PORT;
if (g_last_udp_port < 4096)
if (g_last_udp_port < CONFIG_NET_DEFAULT_MIN_PORT)
{
g_last_udp_port += 4096;
g_last_udp_port += CONFIG_NET_DEFAULT_MIN_PORT;
}
}
@ -562,9 +562,9 @@ uint16_t udp_select_port(uint8_t domain, FAR union ip_binding_u *u)
/* Make sure that the port number is within range */
if (g_last_udp_port >= 32000)
if (g_last_udp_port >= CONFIG_NET_DEFAULT_MAX_PORT)
{
g_last_udp_port = 4096;
g_last_udp_port = CONFIG_NET_DEFAULT_MIN_PORT;
}
}
while (udp_find_conn(domain, u, HTONS(g_last_udp_port), 0) != NULL