kopia lustrzana https://github.com/espressif/esp-idf
Merge branch 'bufix/Backport_some_wifi_lwip_bugs_for_4.4_1025' into 'release/v4.4'
Bufix/backport some wifi lwip bugs for 4.4 1025 See merge request espressif/esp-idf!20781pull/10244/head
commit
dde4ba5362
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@ -1 +1 @@
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Subproject commit 82d31a4ac25c7ce46891e1b75ce553e9c39cc3d1
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Subproject commit 8b09cb3349cf06886d4cd2703f4ac11c303b1806
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@ -506,7 +506,13 @@ menu "LWIP"
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int "Maximum segment lifetime (MSL)"
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default 60000
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help
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Set maximum segment lifetime in in milliseconds.
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Set maximum segment lifetime in milliseconds.
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config LWIP_TCP_FIN_WAIT_TIMEOUT
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int "Maximum FIN segment lifetime"
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default 20000
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help
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Set maximum segment lifetime in milliseconds.
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config LWIP_TCP_SND_BUF_DEFAULT
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int "Default send buffer size"
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@ -88,7 +88,7 @@ typedef struct {
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.tos = 0, \
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.ttl = IP_DEFAULT_TTL, \
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.target_addr = *(IP_ANY_TYPE), \
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.task_stack_size = 2048, \
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.task_stack_size = 2048 + TASK_EXTRA_STACK_SIZE, \
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.task_prio = 2, \
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.interface = 0,\
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}
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@ -1 +1 @@
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Subproject commit 76303df2386902e0d7873be4217f1d9d1b50f982
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Subproject commit 6132c9755a43d4e04de4457f1558ced415756e4d
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@ -359,6 +359,11 @@
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*/
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#define TCP_MSL CONFIG_LWIP_TCP_MSL
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/**
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* TCP_FIN_WAIT_TIMEOUT: The maximum FIN segment lifetime in milliseconds
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*/
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#define TCP_FIN_WAIT_TIMEOUT CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT
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/**
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* TCP_MAXRTX: Maximum number of retransmissions of data segments.
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*/
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@ -439,6 +439,7 @@ Most lwIP RAM usage is on-demand, as RAM is allocated from the heap as needed. T
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- Reducing :ref:`CONFIG_LWIP_MAX_SOCKETS` reduces the maximum number of sockets in the system. This will also cause TCP sockets in the ``WAIT_CLOSE`` state to be closed and recycled more rapidly (if needed to open a new socket), further reducing peak RAM usage.
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- Reducing :ref:`CONFIG_LWIP_TCPIP_RECVMBOX_SIZE`, :ref:`CONFIG_LWIP_TCP_RECVMBOX_SIZE` and :ref:`CONFIG_LWIP_UDP_RECVMBOX_SIZE` reduce memory usage at the expense of throughput, depending on usage.
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- Reducing :ref:`CONFIG_LWIP_TCP_MSL`, :ref:`CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT` reduces the maximum segment lifetime in the system. This will also cause TCP sockets in the ``TIME_WAIT``, ``FIN_WAIT_2`` state to be closed and recycled more rapidly
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- Disable :ref:`CONFIG_LWIP_IPV6` can save about 39 KB for firmware size and 2KB RAM when system power up and 7KB RAM when TCPIP stack running. If there is no requirement for supporting IPV6 then it can be disabled to save flash and RAM footprint.
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If using Wi-Fi, please also refer to :ref:`wifi-buffer-usage`.
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